Physics Questions

The area under a Velocity-Time graph represents ______________.

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

______ is the perpendicular distance between point of application of force and axis of rotation.

In _____________ motion of a body its velocity varies with time.

Why the Earth is having its own atmosphere ?

Friction is caused by the ______________ on the two surfaces in contact.

Which rays cause skin damage?

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