Physics Questions

Weight (W) of a body can be given by the formula

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.

A broadcasting station transmits waves with a frequency of 71 x 104 Hz and a speed of 3 x 108 m/s. The wavelength of the wave is

The spring balance works on the principle of __________

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

To hear a distinct echo the time interval between the original sound and the reflected sound must be at least

The force ultimately responsible for mass movement

Heavy water is mostly used in which of the following?