Physics Mcqs

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

A. Angular Momentum
B. Angular Displacement
C. Linear Velocity
D. None of the above

If a lift is going up with acceleration, the apparent weight of a body is:

A. More than the true weight
B. More or less the true weight
C. Less than the true weight
D. Equal to the true weight

With the increase of pressure, the boiling point of any substance:

A. Decreases
B. Increases
C. Remains same
D. Becomes Zero

Which one of the following has the highest value of specific heat?

A. Water
B. Alcohol
C. Methane
D. Kerosene

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

A. Semiconductor
B. Conductor
C. Insulator
D. None of the above

Young’s modulus is the property of __________?

A. Gas only
B. Liquid only
C. Solid only
D. All of the above

Potential energy means?

A. Due to position of object
B. Due to motion of object
C. Due to gravity
D. None of these

A ball is thrown towards the earth and bounce back. During this process:A. Direction of velocity and acceleration changes
B. Direction of Displacement and acceleration changes
C. Direction of Displacement and Velocity changes
D. Direction of Displacement, Velocity and acceleration changes