Grade 12th passModern Physics

A radioactive element 90X238 decays into 83Y222. The number of β - particles emitted is :

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Nikhila Thakur

9 Years agoGrade 12th pass

1 Answer

Khimraj

9 Years ago

First of all calculate no of alpha particle emitted by particle. Which can be easily calculated by mass difference and are 238-222/4 = 4 so after alpha emotion element will be 82X222. So from here we easily can see there is only one beta particle is emitted as atomic no increase by one. So correct option is (4). Hope it clears. Please if u like answer then approve the answer.

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A radioactive element 90X238 decays into 83Y222. The number of β - particles emitted is :

Nikhila Thakur

1 Answer

Khimraj

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