A piece of ice is dropped in a vesel containing kerosene. When ice melts, the level of kerosene will

• Rise

• Fall

• Remain Same

• None of these

Young's modulus is the property of

• Gas only

• Both Solid and Liquid

• Liquid only

• Solid only

An artificial Satellite revolves round the Earth in circular orbit, which quantity remains constant?

• Angular Momentum

• Linear Velocity

• Angular Displacement

• None of these

If electrical conductivity increases with the increase of temperature of a substance, then it is a:

• Conductor

• Semiconductor

• Insulator

• Semiconductor

Product of Force and Velocity is called:

• Work

• Energy

• Power

• Momentum

The rotational effect of a force on a body about an axis of rotation is described in terms of the

• Centre of gravity

• Centripetal force

• Centrifugal force

• Moment of force

If no external force acts on a system of bodies, the total linear momentum of the system of bodies remains constant. Which law states that ?

• Newton's first law

• Newton's Second Law

• Newton's Third Law

• Principle of conservation of linear momentum

Which law is also called the law of inertia ?

• Newton's first law

• Newton's Second Law

• Newton's Third Law

• All of these

Energy possessed by a body in motion is called

• Kinetic Energy

• Both A and B

• Potential Energy

• None of these

A man presses more weight on earth at :

• Sitting position

• Lying Position

• Standing Position

• None of these