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In a nuclear fission reaction of an isotope of mass M, three similar daughter nuclei of same mass are formed. The speed of a daughter nuclei in terms of mass defect Δ M will be :

1. c M M 3 Δ
2. M M c 2 Δ
3. 3 Mc 2 Δ
4. c M M 2 Δ

Correct answer: c M M 2 Δ

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