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Half life of a radioactive particle is 1...

Half life of a radioactive particle is 1 second. The initial amount of A is 1000 . Then after 3 seconds, A will be

A

500

B

250

C

125

D

333

Text Solution

Verified by Experts

The correct Answer is:
C
3 sec =3 half lives
Amount left after 3 half lives `=(1000)/(2^(3))=125`
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