A: In `beta`-decay an electron is emitted by the nucleus
R: Electrons are not present inside the nucleus.

Assertion : In a radioactive disintegration, an electron is emitted by the nucleus. Reason : Electrons are always present inside the nucleus.

Assertion : In a radioactive disintegration, an electron is emitted by the nucleus. Reason : Electrons are always present inside the nucleus.

The electrons cannot exist inside the nucleus because

Can an electron be emitted from the nucleus? Explain.

Can an electron reside inside the nucleus ?

Radioactive nuclei emit beta^-1 particles. Electrons exist inside the nucleus.

Radioactive nuclei emit beta^- particles. Electrons exist inside the nucleus.

Radioactive nuclei emit beta^-1 particles. Electrons exist inside the nucleus.