A radioactive nucleus of mass `M` emits a photon of frequency `v` and the nucleus recoils. The recoil energy will be

A radioactive nucleus of mass M emits a photon of frequency nu and the nucleus recoils. The recoil energy will be:

Some radioactive nucleus may emit

A nucleus of mass M emits an X-ray photon of frequency n. Energy lost by the nucleus is given as

A nucleus of mass M emits an X-ray photon of frequency n. Energy lost by the nucleus is given as

Some radioactive nucleus may emit.

Some radioactive nucleus may emit.

A body of mass m emits a photon of frequency 'v',the loss in its internal energy is

A stationary nucleus of mass 24 amu emits a gamma photon. The energy of the emitted photon is 7 MeV. The recoil energy of the nucleus is

A stationary nucleus of mass 24 amu emits a gamma photon. The energy of the emitted photon is 7 MeV. The recoil energy of the nucleus is