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Select the correct statement (s) :

A

On bombarding `""_(7)N^(14)` nuclei with `alpha`- particle , the nuclide of the product formed after release of proton would be `""_(8)O^(17)`

B

Decay constant is not depend on temperature

C

Nuclide and it's decay product after `alpha` - emission are called isodiaphers

D

If half-life of radium is 1580 years . It's average life will be 1097.22 years

Text Solution

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The correct Answer is:
A, B, C
`""_(7) N^(14) + ""_(2) He^(4) to ""_(8) O^(17) + ""_(1) P^(1) , lambda = (0.693)/(t_(1//2)) = (0.693)/(1580) , tau = (1)/(lambda) = (1580)/(0.693) = 2280`
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