Which of the following phenomena cannot be explained by the molecular theory of matter?

The friction which exist between two layers of liquid in relative motion is called.

A particle of mass M initially at rest splits into two. If one of the particles of mass M1 moves with velocity V1 , the second particle moves with velocity

To keep a vehicle moving at a constant speed V requires power P from the engine. The force provided by the engine is

Which of the following is the dimension of pressure