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Grade 10Modern Physics

Fission of nuclei is possible because the binding energy per nucleon in them

(a) Increases with mass number at low mass numbers.

(b) Decreases with mass number at low mass numbers.

(c) Increases with mass number at high mass numbers.

(d) Decreases with mass number at high mass numbers.

Profile image of Hrishant Goswami
12 Years agoGrade 10
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2 Answers

Profile image of Aditi Chauhan
12 Years ago

(d)

B.E. per nucleon is smaller for lighter as well as heavier nucleus. But fusion reaction occurs for small mass no nuclei and fission reaction occurs for larger mass no nuclei to attain reaction binding energy per nucleon.

Profile image of fakrunnisa
12 Years ago

Increases with mass number at high mass numbers.I think this ans is correctSmile

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