Mark out the incoreect statemnet.

Options

A. A free neutron can transfrom itself into photn.
B. A free neutron can transfrom itself into neutron.
C. In beta minus decay, the electron originates from nucleus.
D. All of the above

Answer

a

Explanation

When a free neutron along with an electron and an antineutino, the value of the reaction is positive which means the reaction is possible all by itslef, while a free proton cannot convert itself into a neutron due to negative `Q `value.
In beta minus decay, the electron originates from nucleus only, by the transformation of neutron into a proton, with simultaneous emission of an antineutron.