1. Planet A has double the radius than that of Planet B. If the mass of Planet A is 4 times heavier than the mass of Planet B, which of the following statements regarding weight of an object is correct?

2. The time period of a simple pendulum made using a thin copper wire of length L is T. Suppose the temperature of the room in which this simple pendulum is placed increases by 30°C, what will be the effect on the time period of the pendulum?

3.
A bullet of mass 20 gm is fired in the horizontal direction with a velocity 150 m/s from a pistol of mass 1 kg. Recoil velocity of the pistol is

4. A body initially at rest is acted upon by a constant force. The rate of change of its kinetic energy varies

5. A particle is moving freely. Then its

6.
The plot given above represents the velocity of a particle (in m/s) with time (in seconds). Assuming that the plot represents a semi-circle, distance traversed by the particle at the end of 7 seconds is approximately.

7. A car accelerates from rest with acceleration 1.2 m/s². A bus moves with constant speed of 12 m/s in a parallel lane. How long does the car take from its start to meet the bus?

8. A brass ball is tied to a thin wire and swung so as to move uniformly in a horizontal circle. Which of the following statements in this regard is/are true?
1. The ball moves with constant velocity
2. The ball moves with constant speed
3. The ball moves with constant acceleration
4. The magnitude of the acceleration of the ball is constant Select the correct answer using the code given below:

9.
A particle is moving in a circular path of radius r at a constant speed v. Which one of the following graphs correctly represents its acceleration a?

10. A cord is used to lower vertically a block of mass M through a distance d at a constant downward acceleration g 4 Consider the following statements:
1. The block is freely falling under gravity.
2. The cord is doing work one the block.
3. The amount of work done is (3Mgd)/4 .

11. If the motion of an object is represented by a straight line parallel to the time axis in a distance-time graph, then the object undergoes

12. Which one of the following energy is stored in the links between the atoms ?

13. A force F is applied on a body (which moves on a straight line) for a duration of 3 s. The momentum of the body changes from 10 g cm/s to 40 g cm/s. The magnitude of the force F is

14. A body attached to a spring balance weighs 10 kg on the Earth. The body attached to the same spring balance is taken to a planet where gravity is half that of the Earth. The balance will read

15. A body weighs 5 kg on equator. At the poles it is likely to weigh

16. Whether an object will float or sink in a liquid, depends on

17. The densities of three liquids are D, 2D and 3D. What will be the density of the resulting mixture if equal volumes of the three liquids are mixed?

18. A ball is released from rest and rolls down an inclined plane, as shown in the following figure, requiring 4s to cover a distance of 100 cm along the plane:

Which one of the following is the correct value of angle q that the plane makes with the horizontal? (g = 1000 cm/s²)

19. Which one of the following statements about the mass of a body is correct?

20. Two bodies A and B are moving with equal velocities. The mass of B is double that of A. In this context, which one of the following statements is correct?

21. Which one of the following has maximum inertia?

22. A passenger in a moving train tosses a coin upward which falls behind him. It implies that the motion of the train is

23. One light year is equal to

24. If the ratio of the weight of a man in a stationary lift and when it is moving downwards with uniform acceleration 'a' is 3 : 2, then the value of 'a' is

25. If the linear momentum of a body is increased by 5%, by what percentage shall the kinetic energy increase(approx.)?