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Suppose a radioactive substance disinteg...

Suppose a radioactive substance disintegrates completely in 10 days. Each day it disintegrates at a constant rate which is twice the rate of the previous day. The percentage of the material left to be disintegrated after passing of 9 days is :

A

10

B

20

C

25

D

50

Text Solution

Verified by Experts

The correct Answer is:
D
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