Q.

Consider the following two statements, A and B and identify the correct answer given below.

Statement A: Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion 
Statement B: For heavy nuclei, binding energy per nucleon increases with increasing Z while for light nuclei it decreases with increasing Z

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a

Both the statements A and B are true.

b

Both Statement  A and B, are false.

c

Statement  A is true but  Statement B is false. 

d

Statement A is  false, Statement B is true.

answer is C.

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Detailed Solution

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We know that energy is released when heavy nuclei undergo fission or light nuclei undergo fusion. Therefore statement (I) is correct. The second statement is false because for heavy nuclei the binding energy per nucleon decreases with increasing Z and for light nuclei, B. E/nucleon increases with increasing Z.

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