Physics Questions

If a body moves with a uniform speed in a circular motion, then______.

The SI unit of acceleration is __________.

Instrument used for measuring specific gravity is called _____.

Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s

Optical fibre works on which of the following principle of light?

___________________ is defined as the force acting per unit current per unit length on a wire placed at right angles to the magnetic field.

Which of the following waves cannot be polarised?

If the resistance of a conductor is reduced to half its initial value, then the heating effect in the conductor will become ___.