Physics Past Questions and Answers

A transverse wave and a longitudinal wave travelling in the same direction in a medium differ essentially in their

What is the velocity of sound at 100 oC if the velocity of sound at 0 oC is 340ms -1?

If a sonometer has a fundamental frequency of 450HZ, what is the frequency of the fifth overtone?

A man 1.5m tall is standing 3m in front of a pinhole camera whose distance between the hole and the screen is 0.1m. What is the height of the image of the man on the screen?

A ray of light passing through the centre of curvature of a concave mirror is reflected by the mirror at