For the following questions answer them individually
The heat absorbed by a system in going through the given cyclic process is :
If the collision frequency of hydrogen molecules in a closed chamber at $$27°C$$ is $$Z$$, then the collision frequency of the same system at $$127°C$$ is :
In the given figure $$R_1 = 10\Omega, R_2 = 8\Omega, R_3 = 4\Omega$$ and $$R_4 = 8\Omega$$. Battery is ideal with emf $$12 \text{ V}$$. Equivalent resistance of the circuit and current supplied by battery are respectively :
In a co-axial straight cable, the central conductor and the outer conductor carry equal currents in opposite directions. The magnetic field is zero :
Two conducting circular loops A and B are placed in the same plane with their centers coinciding as shown in figure. The mutual inductance between them is :
An alternating voltage of amplitude $$40 \text{ V}$$ and frequency $$4 \text{ kHz}$$ is applied directly across the capacitor of $$12\mu\text{F}$$. The maximum displacement current between the plates of the capacitor is nearly :
Light emerges out of a convex lens when a source of light kept at its focus. The shape of wavefront of the light is :
Given below are two statements :
Statement I :

Figure shows the variation of stopping potential $$(V_0)$$ with frequency $$(\nu)$$ for the two photosensitive materials $$M_1$$ and $$M_2$$. The slope gives value of $$\frac{h}{e}$$, where $$h$$ is Planck's constant, $$e$$ is the charge of electron.
Statement II : $$M_2$$ will emit photoelectrons of greater kinetic energy for the incident radiation having same frequency.
In the light of the above statements, choose the most appropriate answer from the options given below.
An electron rotates in a circle around a nucleus having positive charge $$Ze$$. Correct relation between total energy $$(E)$$ of electron to its potential energy $$(U)$$ is :
Following gates section is connected in a complete suitable circuit.

For which of the following combination, bulb will glow (ON) :