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The mass of a H-atom is less than the sum of the masses of a proton and electron. Why is this?

0 2 Views | Posted 3 months ago
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    Answered by

    Vishal Baghel | Contributor-Level 10

    3 months ago

    This is a Short Answer Type Questions as classified in NCERT Exemplar

    Explanation- the reason behind this is the binding energy or we can say the mass defect.

    BE= mass defect (931MeV ). So whatever energy is liberated in fission and fusion changes the mass slighthly. That why there is a defect in mass

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