Question

If 50% of a radioactive substance dissociates in 15 min, then the time taken by the substance to dissociate 99% will be

Answer 1

HEYA FRIEND,

Your Answer is:-

50% of a radioactive substance dissociates in 15 min,it means half life time of It radioactive substance is 15 minut.

So Explanation in given picture,

Answer:- 90 min.

Answer 2

Answer:

HEYA FRIEND,

Your Answer is:-

50% of a radioactive substance dissociates in 15 min,it means half life time of It radioactive substance is 15 minut.

So Explanation in given picture,

Explanation: