Physics Past Questions and Answers

A swimming pool is .1m deep. If it contains water of refractive index 1.3, calculate the apparent depth of pool

When an air column is set into vibrations, the distance between two consecutive nodes of the resultant wave is

A girl standing some distance from the cliff claps her hands and hears the echo 0.8s later. calculate her distance from the cliff. [speed of sound in air = 320 ms<sup style='font-size: smaller;'>-1</sup>]

Red light travels faster than blue light when both of them pass through a glass prism because the

An object is placed 20cm from a concave mirror of focal length 15cm. Calculate the linear magnification of the image formed