Physics Questions

The frequency of direct current is _____________

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

What is the SI unit of Power?

Calculate the pressure (in Pa) if a thrust of 600 N is applied to an area of 24 sq.m.

A force of 200 N displaces a body by 4 m, calculate the work done (in J).

If a force acts upon two objects at rest, and having different masses for the same amount of time, then which one of the following will be the same for both the objects?

Magnetic striping is evidence of

If speed of rotation of the earth increases, the weight of the body