A person starts walking and comes back to its initial position after 2 h, then which of the following quantity is zero?

Which of the following quantities is/are positive?

For cyclic process which of the following quantity is zero ?

Which of the following quantities is/are positive ?

If one complete cycle of a reversible process is carried out on a sample of an ideal so that its final state is the same as its initial state , which one of the following quantities is the only one which can be non - zero ?

If positive quantities a,b,c are in H.P. , then which of the following is not true ?

If positive quantities a,b,c are in H.P. , then which of the following is not true ?

If positive quantities a,b,c are in H.P. , then which of the following is not true ?

After subtending an angle of 1000^@ from its initial position, the revolving line will be situated in which one of the following quadrants ?

A body starting with a velocity v returns to its initial position after t second with the same speed, along the same line. Acceleration of the particle is