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Question

During β decay of stationary nucleus, an electron is observed with a KE of 1.0 MeV. From this what can be concluded about Q value of the decay?


A

It can be equal to 1MeV

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B

It can be less than 1MeV

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C

It can be greater than 1MeV

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D

All the above

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Solution

The correct option is D

All the above


In β decay the energy released is in the form of KE if electron & the energy shared by antineutrino. The energy of antineutrino can be anything from 0 to a finite value.


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