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If 1/16th of a usbstance is left after 4...

If `1/16`th of a usbstance is left after 40 days then the half life is

A

40 days

B

30 days

C

20 days

D

10 days

Text Solution

Verified by Experts

The correct Answer is:
d
`1-(1)/(2)-(1)/(4)-(1)/(8)-(1)/(16), 4t""_(1//2)=40,t""_(1//2)=10`
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