JEE-MAIN SERIES

Physics

Miscellaneous

35 previous year questions.

Volume: 35 Ques

Yield: High

High-Yield Trend

35

2025

Chapter Questions
35 MCQs

01

PYQ 2025

medium

physics ID: jee-main

In a resistive circuit, the power dissipated by a resistor when a current flows through it is given by . What happens to the power when the current is doubled?

1

It quadruples

2

It doubles

3

It remains the same

4

It is halved

02

PYQ 2025

medium

physics ID: jee-main

A mass of 100 g is projected with an initial velocity of 12 m/s at an angle of 60° with the horizontal. Find the difference between the kinetic energy at the point of projection and the kinetic energy at the highest point.

1

4.3 J

2

5.4 J

3

6.0 J

4

7.2 J

03

PYQ 2025

medium

physics ID: jee-main

In the context of the photoelectric effect, what is the threshold frequency for a metal if the work function is ?

1

2

3

4

04

PYQ 2025

medium

physics ID: jee-main

A force acts on a particle moving in the direction of . Find the value of when the work done is zero.

1

2

3

4

05

PYQ 2025

medium

physics ID: jee-main

Electric flux is related with linear charge density and surface charge density as . Where and are of appropriate dimension. The dimension of is:

1

2

3

4

06

PYQ 2025

medium

physics ID: jee-main

Two parallel wires carry currents of 5 A and 4 A in opposite directions. The wires are separated by a distance of 4 cm. Find the net magnetic field at a point midway between the two wires.

1

10

2

15

3

20

4

25

07

PYQ 2025

hard

physics ID: jee-main

A block of mass is moving with velocity on a smooth horizontal surface. If a constant force is applied to the block, what is the work done by this force after 5 seconds?

1

2

3

4

08

PYQ 2025

medium

physics ID: jee-main

A metal has a work function . When light of wavelength is incident on it, the kinetic energy of the ejected electrons is 2 eV. Find the new kinetic energy of the ejected electrons when light of wavelength is used.

1

3 eV

2

4 eV

3

6 eV

4

8 eV

09

PYQ 2025

medium

physics ID: jee-main

In a sound wave, the displacement of the air particles follows the equation . What is the wave velocity?

1

2

3

4

10

PYQ 2025

medium

physics ID: jee-main

What is the time period of a simple pendulum of length and acceleration due to gravity ?

1

2

3

4

11

PYQ 2025

medium

physics ID: jee-main

In a resistive circuit, the power dissipated by a resistor when a current flows through it is given by . What happens to the power when the current is doubled?

1

It quadruples

2

It doubles

3

It remains the same

4

It is halved

12

PYQ 2025

medium

physics ID: jee-main

If the acceleration due to gravity on the surface of Earth is, then the acceleration due to gravity on a planet whose diameter is of that of Earth and same mass as that of Earth is, where is

13

PYQ 2025

medium

physics ID: jee-main

A solid sphere rolls without slipping on a horizontal plane. What is the ratio of translational kinetic energy to the rotational kinetic energy of the sphere?

1

2

3

4

14

PYQ 2025

medium

physics ID: jee-main

A solid sphere and hollow sphere roll down purely equal distances on the same inclined plane (starting from rest) in time and . Then

1

2

3

4

15

PYQ 2025

medium

physics ID: jee-main

The temperature in a city is measured to be 30°C. What is the corresponding temperature in Fahrenheit?

16

PYQ 2025

medium

physics ID: jee-main

In Young's Double Slit Experiment, monochromatic light of wavelength is used. The slits are separated by a distance, and the screen is placed at a distance from the slits. If the fringe width is observed to be, and the distance between the slits and the screen is doubled, what will be the new fringe width?

1

2

3

4

17

PYQ 2025

easy

physics ID: jee-main

Find the wavelength in (nm) of incident radiation where the work function is 4.12 eV and the stopping potential is 4V. Given that .

18

PYQ 2025

easy

physics ID: jee-main

Two charges +7 mC and -4 mC at coordinates (-7, 0, 0) and (7, 0, 0), respectively, find the electrostatic potential energy.

19

PYQ 2025

medium

physics ID: jee-main

The value of is 9.3 V/m and is . Find the value of .

20

PYQ 2025

medium

physics ID: jee-main

Find the charge on the capacitor in the steady state. \vspace{1cm} \includegraphics[width=0.7\textwidth]{a.png}

21

PYQ 2025

medium

physics ID: jee-main

If the angle of prism equals the angle of minimum deviation, and given that the refractive index , then the angle of the prism is:

22

PYQ 2025

medium

physics ID: jee-main

A proton is moving with a uniform velocity of in uniform magnetic and electric fields which are perpendicular to each other. If the electric field is switched off, then the proton moves in a circular path of radius . Then the magnetic field is:

1

2

3

4

23

PYQ 2025

medium

physics ID: jee-main

Statement 1: Hotter water moves faster than cold water. Statement 2: Soap water has a higher surface tension than fresh water.

1

Both Statement 1 and Statement 2 are true, and Statement 2 is the correct explanation of Statement 1.

2

Both Statement 1 and Statement 2 are true, but Statement 2 is not the correct explanation of Statement 1

3

Statement 1 is true, but Statement 2 is false

4

Both Statement 1 and Statement 2 are false

24

PYQ 2025

medium

physics ID: jee-main

If angles of projection for two projectiles are 30° and 60° then the ratio of velocities at maximum height is:

1

1:1

2

2:1

3

1:2

4

3:1

25

PYQ 2025

easy

physics ID: jee-main

In a sound wave, the displacement of the air particles follows the equation . What is the wave velocity?

26

PYQ 2025

medium

physics ID: jee-main

In a resistive circuit, the power dissipated by a resistor when a current flows through it is given by . What happens to the power when the current is doubled?

1

It quadruples

2

It doubles

3

It remains the same

4

It is halved

27

PYQ 2025

medium

physics ID: jee-main

A block of mass is moving with velocity on a smooth horizontal surface. If a constant force is applied to the block, what is the work done by this force after 5 seconds?

1

2

3

4

28

PYQ 2025

easy

physics ID: jee-main

In the context of the photoelectric effect, what is the threshold frequency for a metal if the work function is ?

29

PYQ 2025

medium

physics ID: jee-main

In a bag, there are 6 white balls and 4 black balls. Two balls are drawn at random. What is the probability that both balls are white?

1

2

3

4

30

PYQ 2025

medium

physics ID: jee-main

A solid sphere of mass, radius exerts a gravitational force on a point mass. Now a concentric spherical mass is removed. What is the new force?

1

2

3

4

31

PYQ 2025

medium

physics ID: jee-main

Find the current in the circuit at steady state, given .

1

1 A

2

2 A

3

3 A

4

4 A

32

PYQ 2025

medium

physics ID: jee-main

An equiconvex lens of focal length is cut into four parts as shown in the diagram. The focal length of each part is

1

2

3

4

33

PYQ 2025

medium

physics ID: jee-main

A force acts on a particle at position vector . Find the torque .

1

2

3

4

34

PYQ 2025

hard

physics ID: jee-main

A block of mass is moving with velocity on a smooth horizontal surface. If a constant force is applied to the block, what is the work done by this force after 5 seconds?

1

2

3

4

35

PYQ 2025

medium

physics ID: jee-main

In the context of the photoelectric effect, what is the threshold frequency for a metal if the work function is ?

1

2

3

4