NEET WEEKLY TEST PHYSICS (CHANMARI AND SDA) (05.09.2026)

2. An auto travelling along a straight road increases its speed from 0 ms^-1to 50.0 ms^-1 in a distance of 180 m. If the acceleration is constant, how much time elapses while the auto moves this distance?

3. The height at which the weight of a body becomes 1/16th, its weight on the surface of earth (radius R), is

1. 5R
2. 15R
3. 3R
4. 4R

4. Mean density of the Earth is (the letters have their usual meanings):

1. πGR/14g
2. πGR/3g                   
3. 3g/4πGR
4. 4g/3πGR

5. Suppose that the acceleration of free fall at the surface of a distant planet were found to be equal to that at the surface of the earth. If the diameter of the planet were twice the diameter of earth, then the ratio of mean density of the planet to that of the earth would be

1. 4:1
2. 2:1   
3. 1:1
4. 1:2

6. A car moving along a straight road with speed of 144 km/h is brought to a stop within a distance of 200 m. How long does it take for the car to stop?

1. 5 s
2. 10 s
3. 15 s
4. 20 s

7. A body is taken from the surface of the earth to the moon. What will be the change in the weight of the body?

1. Increase
2. Decrease
3. Remains same
4. First decrease and then increase

8. Which of the following equations does not represent the kinematic equations of motion?

1. v=u+ at
2. S=ut+1/2 at²
3. S=vt+1/2 at²
4. v²-u²=2aS

9. Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration due to gravity on the surface of earth is g and that on the surface of the new planet is g′, then

1. g′ = g/9
2. g′ = 27g       
3. g′= 9g
4. g′ = 3g

10. A player throws a ball vertically upwards with velocity u. At highest point,

1. both the velocity and acceleration of the ball are zero.
2. the velocity of the ball is but its acceleration is zero.
3. the velocity of the ball is zero but its acceleration is
4. the velocity of the ball is u but its acceleration is

11. The height at which the acceleration due to gravity decreases by 36% of its value on the surface of the Earth is (assume radius of the Earth is R):

1. R/4
2. R/2  
3. R/6
4. 4R

12. Which of the following statements is not correct?

1. The zero velocity of a body at any instant does not necessarily impy zero acceleration at that instant.
2. The kinematic equation of motions are true only for motion in which the magnitude and the direction of acceleration are constants during the couse of motion.
3. The sign of acceleration tells us whether the particle’s speed is increasing or decreasing.
4. All of these.

13. The depth at which the acceleration due to gravity becomes 1/n times the value at the earth’s surface is (R= radius of earth)

1. d= R(n/(n-1))
2. d= R((n-1)/2n)          
3. d= R((n-1)/n)
4. d= R^2 ((n-1)/n)

14. Free fall of an object in vacuum is a case of motion with

1. uniform velocity
2. uniform acceleration
3. variable acceleration
4. uniform speed

15. If the earth suddenly shrinks (without changing mass) to half of its present radius, then acceleration due to gravity will be

1. g / 2
2. 4g                
3. g /4
4. 2g

16. A body starts from rest and moves with constant acceleration for t It travels a distance x₁in first half of time and x₂ in next half of time, then

1. x₂=3x₁
2. x₂=x₁
3. x₂=4x₁
4. x₂=2x₁

17. Which of the following is/are not a relevant statement(s) to Kepler’s laws of planetary motion?
I. Kepler’s second law is based on law of conservation of angular momentum.
II. Every planet revolves around the sun in circular orbits with sun at the centre of the orbit.
III. Planets situated at larger distances from the sun take longer time to complete one revolution

1. I only
2. II only         
3. II and III
4. I, II and III

18. What does this graph indicate about the motion of an object?


1. Object is moving in positive direction with positive acceleration
2. Object is moving in negative direction with negative acceleration
3. An object is moving in positive direction till time t1, and then turns back with the same negative acceleration
4. Object is moving in positive direction with negative acceleration

19. The period of revolution of planet A round the sun is 8 times that of B. The distance of A from the sun is how many times greater than that of B from the sun?

1. 5
2. 4                  
3. 3
4. 2

20. If the signs of the velocity and acceleration of a particle are the same, the speed of the particle ______________.

1. Remains same
2. Increases
3. Decreases
4. Cannot conclude anything

21. A planet takes 460 days to complete one revolution around the Sun. If the distance between the Sun and the planet becomes half of its current value, then the number of days to complete one revolution would be nearly

1. 90
2. 576              
3. 160
4. 330

22. What does this graph indicate about the motion of an object ?


1. Object is moving in negative direction with positive acceleration
2. Object is moving in negative direction with negative acceleration
3. Object is moving in positive direction with negative acceleration
4. Object is moving in positive direction with positive acceleration

23. The rotation period of an Earth satellite close to the surface of the Earth is 83 minutes. The time period of another Earth satellite in an orbit at a distance of three Earth radii from its surface will be:

1. 83 minutes
2. 83×√8  minutes
3. 664 minutes
4. 249 minutes

24. A particle moving in a straight line has a velocity-time relation given by v=3t²-2t+5, where vis in m/s and t is in seconds. The acceleration of the particle at t=2 s is:

1. 10 m/s²
2. 12 m/s²
3. 8 m/s²
4. 14 m/s²

25. A satellite in a circular orbit of radius R has a period of 4 hours. A satellite of orbit radius 4R around the same planet will have period:

1. 8 h
2. 16 h
3. 32 h 
4. 64 h

26. On acceleration-time graph the area under the curve equals the:

1. Meaningless
2. Change in velocity
3. Displacement
4. Change in acceleration

27. The time period of a simple pendulum is T₁ on the surface of earth. If taken to a height 2R above the surface of earth, the time period becomes T₂. What will be the value of T₁/T₂? (R is the radius of earth).

1. 3:1
2. 1:3               
3. 1:2
4. 1: 4

28. The displacement of a particle along x-axis is given by x=4+6t+5t². Its acceleration at t=2s

1. 2 m s^-2
2. 10 m s^-2
3. 1000 m s^-2
4. 100 m s^-2

29. A body of mass 2m moving with velocity v collides head-on elastically with a stationary body of mass m. The velocity of the first body after collision is:

30. Two particles P and Qstart moving simultaneously from the same point on a straight line. Particle P moves with constant velocity 10m/s while particle Q starts from rest with constant acceleration 2m/s². The time after which Qovertakes P is:

1. 5 s
2. 10 s
3. 15 s
4. 20 s

31. A body of mass moving with velocity vcollides head-on elastically with a body of mass 2m initially at rest. The ratio of the kinetic energies of the second body after collision to the first body after collision is:

1. 2:1
2. 4:1
3. 8:1
4. 1:2

32. A spherical ball of mass 4 kg, moving with 10 m/s, makes a head-on elastic collision with another sphere of mass 12 kg at rest. The speed of the 12 kg body is:

1. 4 m/s
2. 5 m/s
3. 6 m/s
4. 3 m/s

34. A current increases uniformly from zero to one ampere in 0.01 second, in a coil of inductance 10 mH The induced emf will be

35. A ball of mass m₁moving with a certain speed collides elastically with another ball of mass m₂ kept at rest. If the first ball starts moving in reversed direction after the impact, then

1. m₁=m₂
2. m₁  > m₂
3. m₁< m₂
4. None of these

36. A 50 turns coil with an average diameter of 0.04 m is placed perpendicular to a magnetic field of 5000 T. If the magnetic field is changed to 2000 T in 5 s, find the magnitude of the induced emf.

1. 48V
2. 48 V
3. 12V
4. 18 V

37. A current of I ampere is flowing through a circular ring of radius r. The loop inscribes a square of side a, i.e., a<<r. The mutual inductance between the system is

38. A conducting rod of length 1 m is falling vertically from a height of 45 m . The horizontal component of Earth’s magnetic field is 4 gauss. The approximate e.m.f induced across the rod just before it reaches the ground is:

1. 0.84 mV
2. 1.2 mV
3. 1.68 mV
4. 16.8 mV

39. The magnetic flux linked with a circuit of resistance 100 ohm increases from 10 to 60 Weber’s. The amount of induced charge that flows in the circuit is (in coulomb):

1. 0.5
2. 5        
3. 50
4. 100

40. A conducting rod of length 3 m is placed along the y-axis and moves along the x-axis with a speed of 5 m/s . It is present in a uniform magnetic field

The induced emf across the rod is:

1. -60 V
2. 40 V
3. -40 V
4. 60 V

41. The position of a particle varies with time (t) as x=3t²-2t³  .The acceleration of the particle will be zero at time

1. 1
2. 3/2
3. 0
4. 1/2

42. A coil of wire has 100 turns and a self-inductance of 1 H. The self-inductance of a second similar coil having 300 turns will be:

1. 1/3  H
2. 9 H
3. 3 H
4. 1/9  H

43. A coil of inductance carries a current I=0.25si n(400t) The maximum induced e.m.f in the coil is:

1. 2 V
2. 40 V
3. 10 V
4. 4 V

44. Two inductors have inductances 2L and 16L. If the same current flows through both, the ratio of energy stored in them is:

1. 1 : √2
2. 1 : 8 
3. 2 : 1
4. 4 : 1

45. The magnetic flux linked with a coil varies with time as ϕ=2t²-6t+5, the induced current becomes 6 V at

1. 6 sec
2. 5 sec
3. 2 sec
4. 3 sec