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The mass of a nucleus can be either less...

The mass of a nucleus can be either less than or more than the sum of the masses of nucleons present in it.
The whole mass of the atom is considered in the nucleus.

A

If both assertion and reason are true and reason is the correct explanation of assertion.

B

If both assertion and reason are true but reason is not the correct explanation of assertion.

C

If assertion is true but reason is false

D

If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
D
(d) The whole mass of the atom is concentrated at nucleus and `M_("nucleus") lt` (Sum of the masses of nucleons) because, when nucleus combine, some energy is wasted, Small wavelength. Hence (d) is correct.
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