Questions in nuclei

Select	Question
	In the following reaction the value of ‘X’ is $_7{N^{14}}{ + _2}H{e^4}\, \to \,X{ + _1}{H^1}$
	A ${\pi ^0}$ at rest decays into $2\gamma $ rays ${\pi ^0} \to \gamma + \gamma $. Then which of the following can happen
	Which of the following are suitable for the fusion process
	A deutron is bombarded on $_8{O^{16}}$ nucleus and ?-particle is emitted. The product nucleus is
	A nuclear reaction given by $_Z{X^A}\, \to {\,_{Z + 1}}{Y^A}{ + _{ - 1}}{e^0} + \bar p$ represents
	Work of moderator is
	Light energy emitted by stars is due to
	Solar energy is mainly caused due to
	The binding energy of nucleus is a measure of its
	Mark the correct statement