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Question

The kinetic energy of αparticle emitted in the αdecay of 88Ra226 is [given, mass number of Ra=222 u]

A
5.201 MeV
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B
3.301 MeV
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C
6.023 MeV
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D
4.871 MeV
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Solution

The correct option is D 4.871 MeV
KE=4.87MeV
KEα=(A4A)Q
Q=(AA4)×KEα
Q=[2262264]×4.78
Q=226222×4.78
Q=4.865meV
(D] Q4.8HMeV



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