CUET PG 2024 Question Paper Physics Shift-2 (14th March)

CUET PG 2024 Physics Shift-2 (14th March) - Question 1

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A mass-spring system is used to model the vibrations of a building during an earthquake. How can the natural frequency of the system be tuned to reduce the risk of resonance with earthquake frequencies?

A

Increase the mass.

B

Decrease the spring constant.

C

Add additional springs in parallel

D

Add additional springs in series.

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CUET PG 2024 Physics Shift-2 (14th March) - Question 2

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If a Si wafer with an intrinsic carrier concentration of $$10^{10} cm^{-3}$$ is doped with $$5 \times 10^{15} cm^{-3}$$ Phosphorus(P) and $$10^{16} cm^{-3}$$ Boron(B) at room temperature (300 K), then what is the doping in the resultant silicon?

A

Intrinsic

B

n-type

C

p-type

D

unpredictable

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CUET PG 2024 Physics Shift-2 (14th March) - Question 3

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An AC circuit consists of a resistor (R), a capacitor (C). and an inductor (L) in series. What is the power factor of this circuit?

A

$$-1$$

B

$$\frac{1}{\surd{2}}$$

C

$$0$$

D

$$1$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 4

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If the temperature. of the source is increased, the efficiency of Carnot engine:

A

increases

B

decreases

C

remains constant

D

first increases and remains constant

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CUET PG 2024 Physics Shift-2 (14th March) - Question 5

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Arrange the following differential equations in ascending order in accordance to degree
A. $$\left[1 + \left(\frac{dy}{dx}\right)^{2}\right]^{\frac{3}{2}} = \frac{d^{2}y}{dx^{2}}$$
B. $$\left(\frac{dy}{dx}\right)^{5} + y = 0$$
C. $$ \frac{d^{2}y}{dx^{3}} + a^{2}x = 0$$
D. $$ x^{2} \left(\frac{d^{3}y}{dx^{2}}\right)^{3} +y\left(\frac{dy}{dx} \right)^{4}+ y^{4} = 0$$

Choose the correct answer from the options given below:

A

(C), (A), (D), (B).

B

(B), (A), (C), (D).

C

(B), (A), (D), (C).

D

(C), (D), (B), (A).

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CUET PG 2024 Physics Shift-2 (14th March) - Question 6

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The zero point energy of harmonic oscillator is:

A

$$\hslash\omega$$

B

$$\frac{1}{2}  \hslash\omega$$

C

$$2 \hslash\omega$$

D

$$\frac{1}{4}  \hslash\omega$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 7

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If $$J = \frac{\partial{(u, v)}}{\partial(x, y)}$$ and $$J' = \frac{\partial{(x, y)}}{\partial(u, v)}$$, then JJ' is equal to

A

$$0$$

B

$$-1$$

C

$$\infty$$

D

$$1$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 8

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Match List-I with List-II

Choose the correct answer from the options given below:

A

(A) - (II), (B) - (I), (C) - (III), (D) - (IV)

B

(A) - (IV), (B) - (III), (C) - (II), (D - (I)

C

(A) - (I), (B) - (II), (C) - (IV), (D) - (III)

D

(A) - (III), (B) - (IV), (C) - (I), (D), - (II)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 9

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Match List-I with List-II

Choose the correct answer from the options given below:

A

(A) - (I), (B) - (II), (C) - (III), (D) - (IV)

B

(A) - (IV), (B) - (III), (C) - (II), (D - (I)

C

(A) - (I), (B) - (II), (C) - (IV), (D) - (III)

D

(A) - (III), (B) - (IV), (C) - (I), (D), - (II)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 10

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Arrange the following ferromagnetic materials in Ascending order of Curie temperatures:
(A). Cobalt
(B). Gadolinium
(C). Iron
(D). Nickel

Choose the correct answer from the options given below:

A

(A), (B), (C), (D)

B

(B), (A), (D), (C)

C

(B), (A), (C), (D)

D

(B), (D), (C), (A)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 11

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Gauss's law is valid for

A

Any closed surface

B

Only regular dosed surface

C

Only open surface

D

Only irregular open surface

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CUET PG 2024 Physics Shift-2 (14th March) - Question 12

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When the phase velocity of an electromagnetic wave depends on frequency in any medium, the phenomenon is called

A

Absorption

B

Dispersion

C

Polarization

D

Scattering

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CUET PG 2024 Physics Shift-2 (14th March) - Question 13

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Arrange the viscosities of the following fluids in descending order
A. Glycerine
B. Honey
C. Machine oil
D. Blood

Choose the correct answer from the options given below

A

(A), (B), (C), (D)

B

(A), (C), (B), (D)

C

(B), (A), (D), (C)

D

(C), (B), (D), (A)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 14

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The vector $$r^{n}$$ $$\overrightarrow{r}$$ is solenoidal , if

A

n = 3

B

n = 1

C

n = -1

D

n = 0

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CUET PG 2024 Physics Shift-2 (14th March) - Question 15

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A block moving in air breaks in two parts and the pads separate: Consider the following correct statements
(A). The total momentum must be conserved
(B). The total kinetic energy must be conserved
(C). The total momentum must change
(D). The total kinetic energy must be changed

Choose the correct answer from the options given below:

A

(A), (B) and (D) only.

B

(A), and (C) only.

C

(A), (B), (C) and (D).

D

(A), and (D) only.

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CUET PG 2024 Physics Shift-2 (14th March) - Question 16

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Two particles are moving in opposite directions each other with a speed of 0.9 c in laboratory frame of reference. The relative velocity of one particle to other is:

A

0.90 c

B

0.99 c

C

1.8 c

D

0.81 c

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CUET PG 2024 Physics Shift-2 (14th March) - Question 17

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Find the wavelength shift in the relativistic Doppler effect for the H$$\alpha$$ (6563A) line emitted by a star receding from the earth with a relative velocity 0.1 c.

A

7256 A

B

6563 A

C

1693 A

D

693 A

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CUET PG 2024 Physics Shift-2 (14th March) - Question 18

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In a heat engine based on the carnot cycle, heat is added to the working substance at constant

A

Entropy

B

Temperature

C

Volume

D

Pressure

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CUET PG 2024 Physics Shift-2 (14th March) - Question 19

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Match List-I with List-II

Choose the correct answer from the options given below:

A

(A) - (I), (B) - (II), (C) - (III), (D) - (IV)

B

(A) - (II , (B) - (III), (C) - (IV), (D - (I)

C

(A) - (II), (B) - (III , (C - (I), (D) - (IV)

D

(A) - (III) , (B) - (IV), (C) - (I), (D) - (II)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 20

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A parallel beam light with wave length $$\lambda$$ is incident normally on a thin film of thickness t. The condition for observed bright rings,

A

$$2t = n \lambda$$

B

$$t = n \lambda$$

C

$$2t = (2n - 1) \lambda$$

D

$$t = (2n - 1) \lambda$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 21

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If $$\overrightarrow{A} = ax\hat{i}+by\hat{j}+cz\hat{k}$$ where a, b, c are constants, then $$\int_{}^{} \int_{S} \overrightarrow{A}.d\overrightarrow{S}$$ wher S is the surface of a unit sphere, is

A

$$\frac{4}{3} \pi (a + b + c)^{2}$$

B

$$\frac{4}{3} \pi (a + b + c)$$

C

$$0$$

D

$$\frac{4}{3} \pi (a^{2} + b^{2} + c^{2})$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 22

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The Fermi level in an n-type semiconductor at OK lies

A

below the donor level

B

half way between the bottom of conduction band and donor level

C

half way between the top of valence band and the acceptor level

D

coincides with intrinsic Fermi level

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CUET PG 2024 Physics Shift-2 (14th March) - Question 23

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A satellite is revolving round the earth with a speed of 7.6 km/s. What is your estimation of the height of the satellite from the earth surface, consider the mass of the earth $$= 6.10^{24}$$ kg and radius of the earth = 6400 km

A

500

B

550

C

600

D

650

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CUET PG 2024 Physics Shift-2 (14th March) - Question 24

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The maximum number of intensity minima that can be observed in the Fraunhofer diffraction pattern of a single slit (width 10 $$\mu$$ m) illuminated by laser beam (wavelength 0.630 $$\mu$$m) will be

A

5

B

10

C

12

D

15

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CUET PG 2024 Physics Shift-2 (14th March) - Question 25

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Consider the following statements:
(A). The output of a linear OP-amp circuit has the same shape as the input signal.
(B). At no time during the cycle does the OP-amp go into saturation.
(C). Non-inverting amplifier possess low input impedance and high output impedance.
(D). One advantage of inverting amplifier is that its voltage gain equals the ratio of the feedback resistance to the input resistance.

Choose the correct answer from the options given below:

A

(A), (B) and (D) only.

B

(A), (B) and (C) only.

C

(A), (B) (C) and (D).

D

(B), (C) and (D) only.

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CUET PG 2024 Physics Shift-2 (14th March) - Question 26

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Arrange the following in ascending order of energy
(A). Radio waves
(B). Microwaves
(C). Infrared ray
(D). X-rays
Choose the correct answer from the options given below:

A

(A), (B), (C), (D)

B

(A), (C), (B), (D)

C

(B), (A), (D), (C)

D

(C), (B), (D), (A)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 27

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If $$\overrightarrow{r} = x \hat{i} + y \hat{j} + z \hat{k}$$ is position vector.

Match List I with List II

Choose the correct answer from the options given below:

A

(A) - (III), (B) - (II), (C) - (I), (D) - (IV)

B

(A) - (III), (B) - (II), (C) - (IV), (D) - (I)

C

(A) - (II), (B) - (III), (C) - (IV), (D) - (I)

D

(A) - (II), (B) - (III), (C) - (I), (D) - (IV)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 28

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Arrange the following substance in descending order of specific heat
(A). Aluminium
(B). Carbon
(C). Copper
(D . Lead

Choose the correct answer from the options given below:

A

(A), (B), (C), (D)

B

(A), (C), (B), (D)

C

(B), (A), (D), (C)

D

(C , (B), (D), (A)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 29

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Match List-I with List-II

Choose the correct answer from the options given below:

A

(A) - (I), (B)- (II), (C)- (III). (D) - (IV)

B

(A) - (I), (B)- (III), (C) - (II), (D)- (IV)

C

(A) - (I), (B) - (II), (C) - (IV), (D)- (III)

D

(A) - (III), (B) - (IV), (C) - (I), (D)- (II)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 30

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Arrange the gravitational potential of a point mass (M) in ascending order for the following distance from a point:
(A). 2r
(B). 4r
(C). 8r
(D). 16r

Choose the correct answer from the options given below:

A

(A), (B), (C), (D)

B

(A), (C), (B), (D)

C

(B), (A), (D), (C)

D

(D), (C), (B), (A)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 31

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Which of the following are correct statements about logic gates and their combinations:

(A). The output of an EX-OR gate is a logic '1' when the inputs are unlike and a logic '0' when the inputs are like.
(B). The output of a NAND gate is a logic '1' when all its inputs are a logic '1'.
(C). The output of a two-input EX-NOR gate is a logic 'l' when the inputs are like and a logic '0' when they are unlike
(D). The shorting the inputs of a NOR gate gives a NOT circuit.

Choose the correct answer from the options given below:

A

(A), (C) and (D) only

B

(A), (B) and (C) only

C

(A). (B), (C) and (D)

D

(B), (C) and (D) only

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CUET PG 2024 Physics Shift-2 (14th March) - Question 32

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Let's consider nitrogen gas obeys the Van der Waals equation of state with best fit value of the parameters $$a = 0.14Pa.m^{6} / mol^{2}$$ and $$b = 39.0 cm^{3} / mol$$ Estimate approximate diameter of the nitrogen gas molecules. Assume each molecule is a
sphere.

A

$$3.9 \times 10^{-7}$$ cm

B

$$7.8 \times 10^{-7}$$ cm

C

$$1.9 \times 10^{-8}$$ cm

D

$$4.0 \times 10^{-8}$$ cm

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CUET PG 2024 Physics Shift-2 (14th March) - Question 33

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Match List-I with List-II

Choose the correct answer from the options given below:

A

a: (A) - (I), (B) - (II), (C) - (III), (D) - (IV)

B

b: (A) - (II), (B) - (III), (C) - (I), (D - (IV)

C

c: (A) - (II), (B) - (II), (C) - (IV), (D) - (I)

D

d: (A) - (IV), (B) - (III), (C) - (II), (D) - (I)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 34

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A system consists of two phases maintained at constant temperature (T) and pressure (p). The number of moles present in phase 1 and phase 2 of the system is represented by n i (where i = 1,2) and Gibbs free energy per mole of phase i at this temperature and pressure is $$g_{i}$$ (T,p). The necessary condition for equilibrium:

A

$$g_{1} (T,p) > g_{2} (T ,p)$$

B

$$g_{1} (T,p ) = g_{2} (T ,p)$$

C

$$g_{1} (T,p ) <g_{2} (T ,p)$$

D

$$g_{1} (T,p ) =-g_{2} (T ,p)$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 35

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The law governing the force between electric charges is known as

A

Ampere's law

B

Coulomb's law

C

Faraday's law

D

Ohm's law

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CUET PG 2024 Physics Shift-2 (14th March) - Question 36

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Choose the incorrect statements:
(A). A particle can travel in free space faster than the velocity of light in free space.
(B). A particle can travel in a material medium faster than the velocity of light in free space.
(C). A particle can not travel in the material medium.
(D). The velocity of light in free space is an absolute constant.
Choose the correct answer from the options given below:

A

(A), (B) and (D) only.

B

(A), (B) and (C) only.

C

(A), (B), (C) and (D).

D

(B), (C) and (D) only.

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CUET PG 2024 Physics Shift-2 (14th March) - Question 37

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Select the correct alternative (s): The heavier of the two particles has smaller de-Broglie wavelength when both of them:
(A). move with same velocity
(B). move with same momentum
(C). move with same kinetic energy
(D). fall through same height

A

(A), (B) and (D) only.

B

(A), (B) and (C) only.

C

(A), (B), (C) and (D).

D

(A), (C) and (D) only.

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CUET PG 2024 Physics Shift-2 (14th March) - Question 38

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According to Schrodinger a particle is equivalent to :

A

a single wave

B

a wave packet

C

a light wave

D

can not behave a wave

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CUET PG 2024 Physics Shift-2 (14th March) - Question 39

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Match List-I with List-II

Internal energy (U), Specific heats ($$C_{v}, C_{p}$$), Enthalpy (H). Helmholtz free energy (F) and Gibbs free energy (G) are the thermodynamic variables.

Choose the correct answer from the options given below:

A

(A) - (I), (B) - (II), (C) - (III), (D) - (IV)

B

(A) - (IV), (B) - (III), (C) - (II), (D - (I)

C

(A) - (III), (B) - (II), (C) - (IV), (D) - (I)

D

(A) - (III), (B) - (IV), (C) - (I), (D) - (II)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 40

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Match List-I with List-II

Choose the correct answer from the options given below:

A

(A) - (I), (B) - (II), (C) - (III), (D) - (IV)

B

(A) - (IV), (B) - (I), (C) - (II), (D - (III)

C

(A) - (I), (B) - (II), (C) - (IV), (D) - (III)

D

(A) - (III), (B) - (IV), (C) - (I), (D) - (I)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 41

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The cyclotron frequency ($$\omega$$) at which a particle of mass m and charge q would revolved in the absence of any eletric field (E).

A

$$\omega = \frac{qB}{m^{2}}$$

B

$$\omega = \frac{qB}{m}$$

C

$$\omega = \frac{q^{2}B}{m}$$

D

$$\omega = \frac{qB}{\sqrt{m}}$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 42

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The conservation of linear momentum leads to Newton's

A

First law

B

Second law

C

Third law

D

Not related to any newton's law

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CUET PG 2024 Physics Shift-2 (14th March) - Question 43

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Match List-I with List-II

Choose the correct answer from the options given below:

A

(A) - (I), (B) - (II), (C) - (III), (D) - (IV)

B

(A) - (III), (B) - (II), (C) - (I), (D - (IV)

C

(A) - (I), (B) - (II), (C) - (IV), (D) - (III)

D

(A) - (III), (B) - (IV), (C) - (I), (D) - (II)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 44

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If the ratio of isothermal and adiabatic elasticities is $$\frac{E_{S}}{E_{T}}$$ then which of the
following are not true?

A. $$\frac{E_{S}}{E_{T}} = \frac{C_{P}}{C_{V}}$$ $$
B. $$\frac{E_{S}}{E_{T}} = \frac{C_{V}}{C_{P}}$$ $$
C. $$\frac{E_{S}}{E_{T}} = C_{P} - C_{V}$$
D. $$\frac{E_{S}}{E_{T}} = C_{P} C_{V}$$

Choose the correct answer from the options given below:

A

(A), (B) and (D) only.

B

(A), (B) and (C) only.

C

(A), (B), (C) and (D).

D

(B), (C) and (D) only.

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CUET PG 2024 Physics Shift-2 (14th March) - Question 45

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In a transistor, the emitter-base depletion layer is narrower than the collector-base depletion layer. The reason can be attributed to

A

heavier doping in the emitter region and lighter eloping in collector region

B

heavier doping in the collector region and lighter doping in emitter region

C

lighter doping in both emitter and collector region

D

heavier doping in both emitter and collector region

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CUET PG 2024 Physics Shift-2 (14th March) - Question 46

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The ratio of charge (q) to potential (V) of a body is known as

A

Resistance.

B

Conductance

C

Inductance

D

Capacitance

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CUET PG 2024 Physics Shift-2 (14th March) - Question 47

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An electron moving towards x-axis. An electric field is along y-direction then path of electron is

A

Circular

B

Parabola

C

Rectangular

D

Elliptical

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CUET PG 2024 Physics Shift-2 (14th March) - Question 48

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For a BJT, assume that $$V_{BE}$$ varies between 0.6 and 0.8 V from cutoff to saturation.
Determine the percentage change in $$V_{CE}$$ if $$V_{CB}$$ is maintained constant at 5 V?

A

6%

B

1.3%

C

2.3%

D

No change

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CUET PG 2024 Physics Shift-2 (14th March) - Question 49

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According to Kepler's laws, the square of the orbital period T of a planet is proportional to

A

the square of its eccentricity

B

the cube of its eccentricity

C

the square of its semimajor axis

D

the cube of its semi-major axis

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CUET PG 2024 Physics Shift-2 (14th March) - Question 50

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Arrange following gases for ascending order of the $$C_{P} / C_{v}$$:
(A) $$Ar$$
(B) $$Ne$$
(C) $$H_{2}$$
(D) $$H_{2}O$$

Choose the CORRECT answer from the options given below:

A

(D), (C), (B), (A)

B

(A)) (D), (C), (B)

C

(A), (B), (C), (D)

D

(D), (C), (A), (B)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 51

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In an inelastic collision

A

the initial kinetic energy is equal to final kinetic energy.

B

the kinetic energy remains constant.

C

the final kinetic energy is less than the initial kinetic energy.

D

the final kinetic energy is more than the initial kinetic energy.

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CUET PG 2024 Physics Shift-2 (14th March) - Question 52

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The following particle are moving with the same velocity, arrange their associated de-Broglie wavelength in increasing order:
(A). electron
(B). proton
(C). neutron
(D). $$\alpha$$-particle

Choose the correct answer from the options given below:

A

(A), (D), (C), (B).

B

(D), (C), (B), (A).

C

(B), (A), (D), (C).

D

(C), (B), (D), (A).

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CUET PG 2024 Physics Shift-2 (14th March) - Question 53

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The physical significance of the quality factor (Q) in a damped oscillator is:

A

Determines the initial amplitude.

B

Indicates the degree of clamping.

C

Influences the natural frequency.

D

Represents the total energy.

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CUET PG 2024 Physics Shift-2 (14th March) - Question 54

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Let $$N_{MB} : N_{BE}: N_{FD}$$ denote the number of ways in which two particles can be distributed in two energy states according to Maxwell-Boltzmann, Bose-Einstein and Fermi-Dirac statistics respectively. then $$N_{MB} : N_{BE}: N_{FD}$$ is

A

4: 1 : 3

B

4: 3 : 1

C

4: 2 : 3

D

4: 3 : 2

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CUET PG 2024 Physics Shift-2 (14th March) - Question 55

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What is the phase difference between the driving force and the velocity in a forced harmonic oscillator at resonance?

A

$$0^{\circ} $$

B

$$90^{\circ} $$

C

$$180^{\circ} $$

D

$$270^{\circ}$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 56

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Which one of the following pairs of phenomena illustrates the particle aspect of wave particle duality?

A

Compton effect and Bragg's law

B

Photoelectric effect and Compton effect

C

Compton effect and Pauli's principle

D

Bragg's law and Photoelectric effect

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CUET PG 2024 Physics Shift-2 (14th March) - Question 57

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The determinant $$\begin{vmatrix}\mathbf{1} & \mathbf{3} & \mathbf{7} \\ \mathbf{4} & \mathbf{9} & \mathbf{1} \\ \mathbf{2} & \mathbf{7} & \mathbf{6}\end{vmatrix}$$ is

A

45

B

49

C

51

D

53

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CUET PG 2024 Physics Shift-2 (14th March) - Question 58

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The reversible engine and an irreversible engine are working between the same temperatures. The efficiency of:

A

both is same

B

reversible is greater

C

irreversible is greater

D

irreversible is twice to the reversible

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CUET PG 2024 Physics Shift-2 (14th March) - Question 59

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Arrange the following in the correct sequence of chronological order:
A. Bernoulli's theorem
B. Conservation of energy
C. Newton's law of motion
D. Kepler's laws

Choose the CORRECT answer from the given option below

A

(D), (B), (C), (A)

B

(D), (C), (B), (A)

C

(B), (A), (D), (C)

D

(C), (B), (D), (A)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 60

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Arrange the following materials in the descending order of resistivity:
(A). Aluminium
(B). Copper
(C). Silver
(D). Tungsten

Choose the correct answer from the options given below:

A

(A), (B), (C), (D).

B

(B), (A), (C), (D).

C

(E), (A), (D), (C).

D

(D), (A), (B), (C).

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CUET PG 2024 Physics Shift-2 (14th March) - Question 61

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If $$u = \log \frac{x^{2}}{y}$$, then $$\frac{\partial u}{\partial x} + y\frac{\partial u}{\partial y}$$ is equal to

A

2u

B

u

C

0

D

1

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CUET PG 2024 Physics Shift-2 (14th March) - Question 62

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If the frequency of an AC circuit is increased. what happens to the inductive reactance ($$X_{L})$$ of an inductor?

A

Becomes zero

B

Remains constant

C

Decreases

D

Increases

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CUET PG 2024 Physics Shift-2 (14th March) - Question 63

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Arrange the following in ascending order in accordance to coordination number
(A). Face centered cubic structured Au
(B). Body centered cubic structured Na
(C). Diamond
(D). NaCl

Choose the correct answer from the options given below:

A

(A), (B), (D), (C).

B

(A), (B), (C), (D).

C

(B), (A), (D), (C).

D

(C), (B), (D), (A).

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CUET PG 2024 Physics Shift-2 (14th March) - Question 64

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The angle between the dipole moment and electric field at any point on the equatorial plane is

A

$$0^{\circ} $$

B

$$45^{\circ} $$

C

$$90^{\circ} $$

D

$$180^{\circ}$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 65

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Match List-I with List-II

Choose the correct answer from the options given below:

A

(A) - (I), (B) - (II), (C) - (III), (D) - (IV)

B

(A) - (I), (B) - (III), (C) - (II), (D - (IV)

C

(A) - (I), (B) - (II), (C) - (IV), (D) - (III)

D

(A) - (III), (B) - (IV), (C) - (I), (D) - (II)

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CUET PG 2024 Physics Shift-2 (14th March) - Question 66

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Consider a solid cylinder of mass M and radius R. What will be the moment of inertia on the surface of the cylinder.

A

$$\frac{1}{2}MR^{2}$$

B

$$\frac{3}{5}MR$$

C

$$\frac{2}{5}MR$$

D

$$\frac{3}{2}MR^{2}$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 67

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Two planets $$P_{1}$$ and $$P_{2}$$ having masses $$M_{1}$$ and $$M_{2}$$ revolve around the sun in elliptical orbits with time period $$T_{1}$$ and $$T_{2}$$ respectively. the minimum and maximum distances of planets $$P_{1}$$ from the sun are R and 3R respectively. Whereas for planet $$P_{2}$$, these are 2R and 4R respectively. Where R is the constant. Assuming $$M_{1}$$ and $$M_{2}$$ are much smaller than the mass of the sun. the magnitude of $$T_{2}/T_{1}$$ is

A

$$\frac{3}{2} \sqrt{\frac{3}{2}}$$

B

$$\frac{2}{3} \sqrt{\frac{3}{2}}$$

C

$$\frac{3}{2} \sqrt{\frac{3M_{1}}{2M_{2}}}$$

D

$$\frac{2}{3} \sqrt{\frac{2M_{1}}{3M_{2}}}$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 68

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Find the force of attraction between two balls each of mass 1kg when their centers are 10cm apart?

A

$$66.7 \times 10^{-9} N $$

B

$$6.67 \times 10^{-9} N $$

C

$$0.667 \times 10^{-9} N $$

D

$$667 \times 10^{-9} N $$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 69

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Which of the following statements about Lissajous figures is TRUE?

A

They represent the trajectory of a single harmonic oscillator.

B

The shape depends only on the amplitudes of the oscillations.

C

Circular Lissajous figures occur when the frequencies are incommensurate.

D

Lissajous figures are not affected by phase differences.

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CUET PG 2024 Physics Shift-2 (14th March) - Question 70

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Determine the decimal equivalent of $$(1100.1011)_{2}$$

A

12.6875

B

12.6785

C

13.6875

D

11.6785

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CUET PG 2024 Physics Shift-2 (14th March) - Question 71

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The door of a running refrigerator inside a room is left open. Choose the incorrect statements:
(A) the room will be cooled slightly
(B) the room will be warmed up gradually
(C) the room will be cooled to the temperature inside the refrigerator
(D) the temperature of the room will remain unaffected

Choose the correct answer from the options given below:

A

(A), (C) and (D) only

B

(A), (B) and (C) only

C

(B), (C) and (D) only

D

(A), (B) and (D) only

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CUET PG 2024 Physics Shift-2 (14th March) - Question 72

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The equation $$(x^{2}y - 2xy^{2})dx + 3x^{2}y - x^{3} = 0$$

(A . is exact.
(B). is inexact.
(C). The solution is $$\frac{y}{x} - 2 \log x + 3 \log y = Constant$$
(D). he solution is $$\frac{x}{y} - 2 \log x + 3 \log y = Constant$$

Choose the correct answer from the option given below.

A

(B) and (C) only.

B

(B) and (D) only.

C

(A) and (D) only.

D

(A) and (C) only.

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CUET PG 2024 Physics Shift-2 (14th March) - Question 73

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The argument of (- 1 - i) is

A

$$\frac{-\pi}{4}$$

B

$$\frac{-4}{3\pi}$$

C

$$\frac{-3\pi}{4}$$

D

$$\frac{3\pi}{4}$$

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CUET PG 2024 Physics Shift-2 (14th March) - Question 74

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In sound waves, which property is determined by the amplitude of the wave?

A

Pitch

B

Loudness

C

Frequency

D

Quality

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CUET PG 2024 Physics Shift-2 (14th March) - Question 75

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A and B are two matrices of the same order. If AB = 0 and BA # 0, then necessarily
(A). $$A = 0$$
(B). $$A \neq 0$$
(C). $$B = 0$$
(D). $$B \neq 0$$

Choose the correct answer from the options given below:

A

(B) and (C) only.

B

(A) and (C) only.

C

(A) and (D).

D

(B) and (D) only.

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