The phenomenon of pair production is the

Assertion : The phenomenon of X - ray production is basically inverse of photoelectric effect. Reason : X - rays are electromagnetic waves.

Describe two conducting materials which are meant for specific uses. Describe briefly the phenomenon of heat production by an electric current ?

The phenomenon of the production of an e.m.f in a circuit due to change in magnetic flux linked with it is called______

The phenomenon of diffraction can be treated as interference phenomenon if the number of coherent sources is

The phenomenon of diffraction can be treated as interference phenomenon if the number of coherent sources is

The phenomenon of reducing fertility and productivity due to repeated inbreedings is called

Explain how the phenomenon of adsorption finds application in the following process : production of vacuum.

Explain how the phenomenon of adsorption finds application in the following processes? Production of high vacuum

Explain the phenomenon of natural selection as presently understood. Mention two examples of this phenomenon.