SSC-CGL Questions on Light PDF

Download SSC CGL Light  Questions PDF based on previous papers very useful for SSC-CGL exams. Very important Light  Questions for SSC exams.

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More SSC CGL Important Questions and Answers PDF

Question 1: Which of the following plant pigments absorbs in the red and far-red region of light?

a) Chlorophyll

b) Phytochrome

c) Cryptochrome

d) Carotenoids

Question 2: Light year is the

a) Distance travelled by light in one year

b) Mean distance between the Earth and the Sun

c) Mean distance between the Earth and the Moon

d) Mean distance between the Sun and any planet

Question 3: ‘Light year’ is related to

a) Energy

b) Speed

c) Distance

d) Intensity

Question 4: A Light year is a unit of

a) Light

b) Current

c) Distance

d) Time

Question 5: Light scattering takes place in which type of solutions

a) Colloidal solutions

b) Acidic solutions

c) Electrolyte solutions

d) Basic solutions

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Question 6: Who discovered electromagnetic nature of light?

a) Snell

b) Newton

c) Maxwell

d) Young

Question 7: Light scattering takes place in

a) Colloidal solutions

b) Acidic solutions

c) Electrolyte solutions

d) Basic solutions

Question 8: What happens when a ray of light enters the slab of glass from the air ?

a) Its wavelength decreases

b) Its wavelength increases

c) Its frequency Increases

d) Its frequency decreases

Question 9: In projectile motion, the total flight time is ……………

a) equal to the time required to reach the maximum height

b) thrice the time required to reach the maximum height

c) four times the time required to reach the maximum height

d) twice the time required to reach the maximum height

Question 10: Which mirror is used in the headlights of cars?

a) Semi-circular

b) Conical

c) Convex

d) Concave

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Answers & Solutions:

1) Answer (A)

2) Answer (A)

3) Answer (C)

4) Answer (C)

5) Answer (A)

6) Answer (C)

7) Answer (A)

8) Answer (A)

9) Answer (D)

10) Answer (D)

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