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

A nucleus of mass 218 amu is in free state decays to emit an alpha - p

1.	A nucleus of mass 218 amu is in free state decays to emit an alpha - particle. Kinetic energy of alpha - particle emitted is 6.7 Mev. The recoil energy in (MeV) emitted by the daughter nucleus is
Answer» `1.0` `0.5` `0.25` `0.125` ANSWER :D