The phenomenon of pair production is the ______?

جوڑی کی پیداوار کا رجحان ______ ہے؟

Ejection of an electron from a nucleus

Formation of an electron and a positron from γ-rays

Ejection of an electron from a metal surface when exposed to ultraviolet light

None of these

Pair production occurs when a high-energy γ-ray photon is converted into an electron and a positron near a nucleus.

It is a quantum phenomenon that requires photon energy greater than 1.022 MeV.