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Mass numbers of the elements A,B , C and...

Mass numbers of the elements A,B , C and D are 30,60,90 and 120 respectively. The specific binding energy of them are 5 MeV, 8.5 MeV , 6 MeV and 7 MeV respectively. Then, in which of the following reaction/s energy is released ?
(1)D`to`2B , (2)C ` to `B +A , (3 )B `to`2A

A

only in (1)

B

in (2),(3)

C

in (1) , (3)

D

in (1), (2) and (3)

Text Solution

Verified by Experts

The correct Answer is:
A
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