Question : Planck's Constant has the dimensions of:

Option 1: Energy

Option 2: Linear momentum

Option 3: Angular momentum

Option 4: Force

Question : Which of the following has the same unit?

Option 1: Work and power

Option 2: Torque and moment of inertia

Option 3: Work and torque

Option 4: Torque and angular momentum

Question : Which of the following is a scalar quantity?

Option 1: Velocity

Option 2: Force

Option 3: Angular momentum

Option 4: Electrostatic potential

Question : An object covers distance which is directly proportional to the square of the time. Its acceleration is:

Option 1: increasing 

Option 2: decreasing

Option 3: zero

Option 4: constant

Question : If a body moves with a constant speed in a circle:

Option 1: no work is done on it

Option 2: no force acts on it

Option 3: no acceleration is produced

Option 4: its velocity remains constant