Q.

If a graph of Binding energy per nucleon (B/A) versus mass number (A) looks like as shown in figure. Then choose correct option(s).

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a

Fusion of two nuclei with mass numbers 30 and 45 will have Q value 99 MeV.

b

Fission of nuclei with mass number 90 into two nuclei of equal mass number will release energy.

c

Fission of nuclei with mass number 80 into two nuclei of equal number will release energy.

d

Fission of nuclei with mass number 150 into two nuclei of equal mass number will release energy

answer is A, C.

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Detailed Solution

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Q value for fusion = (B/A)75 × 75-[(B/A)30×30+(B/A)45×45]=99MeV.

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If a graph of Binding energy per nucleon (B/A) versus mass number (A) looks like as shown in figure. Then choose correct option(s).