Pls answer 1st
Q.1. Name the different radiations that are emitted from the nucleus of a radioactive substance. Are all the radiations mentioned by you, emitted in a single radioactive decay?

Dear Student ,
The radio active emission or radiations that are emitted from a nucleus of a radio active substance is known are as follows :
1. Alpha particle emission ,
2. Beta particle emission ,
3. Gamma radiation . 

So here the radiations will occur at the same or single radio active decay .
Regards

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these type of questions will come in board exam..????such detailed matter is not in ncert and not even in s chand ...i dont think they will come
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in cbse board these questiona will not come
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This question comes in icse board
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