Q83
The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
A.
of it will disintegrate in two months
AnswerB.
it will completely disintegrate in two months
C.
it will completely disintegrate in four months
D.
of it will remain intact at the end of four months
Answer: Option A
Solution
Answer: Option A
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