question_answer

Following process is known as \[hv\to {{e}^{+}}+{{e}^{-}}\]

A)  Pair production               

B)  Photoelectric effect

C)  Compton effect              

D)  Zeeman effect

Correct Answer: A

Solution :

                Pair production refers to the creation of an elementary particle and its antiparticle, usually from a photon (or another neutral boson). This is allowed, provided there is enough energy available to create the pair.