Scientists were led to postulate the existence of the neutrino in order to
A) account for alpha decay.
B) maintain the conservation of energy and of momentum in beta decay.
C) explain the intense radiation emitted by quasars.
D) provide a mechanism for quark production.

Question

Quizplus · Accepted Answer

The neutrino was postulated to exist by Wolfgang Pauli in 1930 to account for the missing energy and momentum in beta decay, thus preserving the laws of conservation of energy and momentum.

Scientists Were Led to Postulate the Existence of the Neutrino