NEET Physics Nuclei Questions Solved

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If m, mn and mp are the masses of XAZ nucleus, neutron and proton respectively 
(a) m<A-Zmn+Zmp        (b) m=A-Zmn+Zmp
(c) m=A-Zmp+Zmn        (d) m>A-Zmn+Zmp

(a) The mass of nucleus formed is always less than the sum of the masses of the constituent protons and neutrons i.e. m<A-Zmn+Zmp.

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