The radio active isotope may emit

Options

A. `alpha, beta and gamma-` rays simultaneously
B. both `alpha and beta` rays simultaneously
C. `alpha, gamma or beta, gamma`
D. protons, `alpha`-rays and `gamma`- rays

Answer

C

Explanation

Each radioactive element disintegrates either by emitting an `alpha`-particle or a `beta` - particle along with a `gamma`-photon. But a radioactive nucleus cannot emit `alpha` and `beta`-particles, simultaneously.