A nucleus of mass `218` amu in Free State decays to emit an `alpha`-particle. Kinetic energy of the `beta-`particle emitted is `6.7 MeV`. The recoil energy (in MeV) of the daughter nucleus is

A nucleus of mass 218 amu is in free state decays to emit an alpha -particle. Kinetic energy of alpha -particle emitted is 6.7Mev. The recoil energy in (MeV) emitted by the daughter nucleus is

A nucleus of mass 220 amu in the free state decays to emit an alpha -particle . Kinetic energy of the alpha -particle emitted is 5.4 MeV. The recoil energy of the daughter nucleus is

A nucleus of mass 220 amu in the free state decays to emit an alpha -particle . Kinetic energy of the alpha -particle emitted is 5.4 MeV. The recoil energy of the daughter nucleus is

A nucleus of mass number 220 , initially at rest, emits an alpha -particle. If the Q value of the reaction is 5.5MeV , the energy (in MeV) of the emitted alpha -particle will be

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