Physics Past Questions and Answers

The temperature at which the water vapour present in the air is just sufficient to saturate air is

Heat transfer by convection in a liquid is due to the

The distance between two successive crests of a wave is 15cm and the velocity 300ms^-1. Calculate the frequency.

A boy receives the echo of his clap reflected by a nearby hill 0.8s later. How far is he from the hill?

An object is placed 10m from a pinhole camera of length 25cm. Calculate the linear magnification.