The nucleus 92Y235 initially at rest, decays into 90X231 by emitting an alpha particle
92Y235 --------> 90X231 + 2He4 + energy
The binding energies per nucleon of the parent nucleus, the daughter nucleus and -particle are 7·8 MeV, 7·835 MeV and 7·07 MeV, respectively. Assuming the daughter nucleus to be formed in the unexcited state and neglecting its share in the energy of the reaction, find the speed of the emitted -particle. (Mass of -particle = 6·68 x 10–27 kg)
class :12
cbse physics chapter nuclei
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gravity the force of attraction that exists
among all the bodies that have mass
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