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Mass-energy relation, mass defect, binding energy per nucleon

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Every question from past board papers on Mass-energy relation, mass defect, binding energy per nucleon, newest paper first. Open any question for its full worked answer.

NEET UG 2021 question paper (official, booklet M4)

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  1. A nucleus with mass number 240 breaks into two fragments each of mass number 120, the binding energy per nucleon of unfragmented nuclei is 7.6 MeV while that of fragments is 8.5 MeV. The total gain in the Binding Energy in the process is :

    4 marks · See worked answer →

NEET UG 2020 question paper (official, booklet E1)

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  1. The energy equivalent of 0.5 g of a substance is :

    4 marks · See worked answer →