Radioactive nuclei emit beta^-1 particles. Electrons exist inside the nucleus.
The electrons cannot exist inside the nucleus because
Some radioactive nucleus may emit
Some radioactive nucleus may emit.
The same radioactive nucleus may emit
Assertion : In a radioactive disintegration, an electron is emitted by the nucleus. Reason : Electrons are always present inside the nucleus.
A radioactive nucleus emits a beta particle. The parent and daughter nuclei are:
Assertion (A) : Nucleus of the atom does not contain electrons, yet it emits beta- particles in the form of electrons. Reason (R): In the nucleus , protons and neutrons exchange mesons frequently.