Q.

Binding energy per nucleon versus mass number curve for nuclei is shown in the figure. W, X, Y and Z are four nuclei indicated on the curve. The process that would release energy is

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a

W2Y

b

Y2Z

c

XY+Z

d

WX+Z

answer is C.

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Detailed Solution

W2Y 

B.E. of reactants = 120(7.5) = 900MeV

B.E of products = 2(60)8.5 = 1020 MeV

Energy in released when B.E of products is greater than reactants.

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Binding energy per nucleon versus mass number curve for nuclei is shown in the figure. W, X, Y and Z are four nuclei indicated on the curve. The process that would release energy is