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The binding energies of two nuclei P^n a...

The binding energies of two nuclei `P^n` and `Q^(2n)` and x and y joules. If `2x gt y` then the energy released in the reaction `P^n + P^n to Q^(2n)`, will be

A

2x+y

B

2x-y

C

`-(2x-y)`

D

x+y

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The correct Answer is:
B
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