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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 14 - Nuclear Physics and Radioactivity > In the α-decay process occurring in different types of nuclei at rest (i) the K.E. of the daughter nucleus is always greater than the K.E. of the α-particle (ii) the K.E. of the daughter nucleus is always less than the K.E. of the α-particle (iii) the magnitudes of the linear momenta of the α-particle and the daughter nucleus are always equal (iv) the daughter nucleus is always in a stable state

In the α-decay process occurring in different types of nuclei at rest (i) the K.E. of the daughter nucleus is always greater than the K.E. of the α-particle (ii) the K.E. of the daughter nucleus is always less than the K.E. of the α-particle (iii) the magnitudes of the linear momenta of the α-particle and the daughter nucleus are always equal (iv) the daughter nucleus is always in a stable state

The binding energy of deuteron .21H is 1.112 MeV per nucleon and an α−particle .42He has a binding energy of 7.047MeV per nucleon. Then in the fusion reaction .21H+.21h→.42He+Q the energy Q released is.