Question

Binding energy per nucleon vs mass no . Curve for nuclei is shown in figure. W,X,Y,Z are four nuclei indicated on curve . The process that would release energy is

Answer 1

Answer:

Binding energy of W, ∣E

W

∣=120×7.5=900 MeV

Binding energy of Y, ∣E

Y

∣=30×8.5=255 MeV

In process : W→2Y

Q value, Q=∣E

W

∣−∣E

Y

∣=900−2(255)=390 MeV

As Q value is positive, thus energy is released in process W→2Y

Answer 2

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