Question

$\beta -$ decay of a nucleus is an example of -

• A. Electromagnetic Force
• B. Gravitational force
• C. Weak Nuclear Force
• D. Strong Nuclear Force

Answer 1

The correct option is C Weak Nuclear Force

Beta Decay is a type of radioactive decay in which a proton is transformed into a neutron or vice versa inside the nucleus of the radioactive sample.
It is an example of Weak Nuclear Force.
Hence option $\left(D\right)$ is correct.