Let `m_(p)` be the mass of a poton , `M_(1)` the mass of a `_(10)^(20) Ne` nucleus and `M_(2)` the mass of a `_(20)^(40) Ca` nucleus . Then
A
`M_(2) = 2M_(1)`
B
`M_(2) gt 2M_(1)`
C
`M_(2) lt 2M_(1)`
D
`M_(1) lt 10(m_(n) + m_(p))`
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The correct Answer is:
C, D
KEY CONCEPT : Due to mass defact (which is finally reponsible of the binding energy of the mucleus ) mass of a mecleus is always less then the sum of masses of its constiluent particles `_(10)^(20)` Ne is made up of `10` protons `10` neutron therefore , mass of`_(10)^(20)` Ne nucleus `m_(1) lt 10(m_(p) + m_(n))`
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