The time period of a simple pendulum does not depend on :

Which of the following statements about average velocity is NOT correct?

A ball is dropped from rest. What will be the velocity of the ball after falling 20 m? (Take g = 10 m/s²)

A convex lens forms an image of an object placed 30 cm away. The image is formed at 60 cm on the other side. The magnification is:

If the acceleration of a body is halved and mass remains constant, the force will

Which of the following statements about average velocity is NOT correct?