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The radioactive decay rate of a radioact...

The radioactive decay rate of a radioactive element is found to be `10^(3)` disintegration `s^(-1)` at a certain time. If the half-life of the element is `1s`, the decay rate after `1 s` is _____ and after `3 s` the decay rate is _____.

A

500 disintegrations per second

B

1000 disintegrations per second

C

250 disintegrations per second

D

2000 disintegrations per second

Text Solution

Verified by Experts

The correct Answer is:
A
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