Questions

Rate of work done is _______.

Calculate the frequency (in Hz) of a sound wave of wavelength 5 m travelling with a speed of 360 m/s.

Due to an acceleration of 4 m/s2 the velocity of a body increases from 10 m/s to 30 m/s in a certain period. Find the displacement (in m) of the body in that period.

Through which does light travel best?

The work done by centripetal force is ______.

The 2016 Olympics was held in which city?

Which of the following is a string based Indian musical instrument?

Chernobyl disaster is the result of pollution by_____________