During a beta decay

In a beta -decay

During beta -decay (beta minus), the emission of antineutrino particle is supported by which of the following statement (s)?

During beta -decay (beta minus), the emission of antineutrino particle is supported by which of the following statement (s)?

During beta decay of a nucleus, how does the neutrons to proton ration change?

Assertion : During beta -decay a proton converts into a neutron and an electron. No other particle is emitted. Reason: During beta -decay linear momentum of system should remain constant.

Assertion : During beta -decay a proton converts into a neutron and an electron. No other particle is emitted. Reason: During beta -decay linear momentum of system should remain constant.

During beta -decay of stationary nucleus , an electron is observed with a kinetic energy 1.0 MeV . From this ,what can be concluded about the Q-value of the decay ?