Physics Past Questions and Answers

An object is placed 15cm from a diverging lens of focal length 12cm. The image of the object formed by the lens in

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^-1]

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