21.
Velocitation is the tendency to

22.
If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with

23.
Which one of the following is applicable to collision-coalescence process of precipitation?

24.
The law of conservation of energy states that

25.
A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle

26.
Force of impact is the force

27.
A rubber ball is dropped from a height of 2 metres. To what height will it rise if there is no loss of energy/velocity after rebounding ?

28.
A piece of paper and a cricket ball are dropped from the same height. Under which of the following conditions do both reach the surface simultaneously ?

29.
Angle of friction and angle of repose are

30.
The term ''Higgs Boson' is associated with