Physics Questions

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

Reflection from a smooth surface like that of a mirror is called ___________ reflection.

Which rays cause skin damage?

Instrument used for measuring specific gravity is called _____.

The focal length of a concave mirror with a radius of curvature of 20.0 cm is :

Instrument for measuring blueness of the sky or ocean is called ___________.

If a body slides over a surface, the force resisting the motion between them is called ______.

Who proposed Continental drift theory?