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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)` dps at a certain time . If the half life of element is 1 sec , the decay rate after 1 sec , is ….and after 3 sec , is …….

A

500 , 125

B

125500

C

`10^(3) , 10^(3)`

D

`100 , 10`

Text Solution

Verified by Experts

The correct Answer is:
A
`1000 dps overset( 1" sec")(to) 500 overset("1 sec")(to) 250 overset("1 sec") (to) 125`
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