1.

Assertion (A) : The nucleus of gold is stable even though there is a very strong coulombic repulsion among the protons. Reason (R) :The inverse square coulomb force is exactly balanced by another inverse square force which is very powerful. i.e.,nuclear force.

Answer»

If both `(A)` and `(R)` are CORRECT , and `(R)` is the correct EXPLANATION of `(A)`
If both `(A)` and `(R)` are correct, but (R) is not the correct explanation of `(A)`
If `(A)` is correct, but `(R)` is INCORRECT.
If `(A)` is incorrect, but `(R)` is correct.

Answer :C


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