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Two radioactive elements X and Y half-li...

Two radioactive elements `X` and `Y` half-live pf `50` and `100` minute respectiv ely. Intial sample of both the elements have same number of atoms. The ratio of the reamaining number of atoms of `X` and `Y` after 20 minute is:

A

2

B

`1//2`

C

4

D

`1//4`

Text Solution

Verified by Experts

The correct Answer is:
d
Amount left of `X=N""_(0)/2`
`because` n=4(half-lives)
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