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If 3//4 quantity of a radioactive substa...

If `3//4` quantity of a radioactive substance disintegrates in 2 hours, its half`-` life period will be a)`15 mi n` b) `30 mi n` c)`60 mi n` d)`90 mi n`

A

1 hour

B

45 minutes

C

30 minutes

D

15 minutes

Text Solution

Verified by Experts

The correct Answer is:
c
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