Statement I : Half life for certain radi...

Statement I : Half life for certain radioactive element is 5 min . Four nuclei of that element are observed at a certain instant of time. After five minutes it can be definitely said that two nuclei will be left undecayed .
Statement II : Half life is defined as time in which population is halfed .

A

Both statement -1 and statement -2 are true and statement -2 is the correct explanation of statement -1.

B

Both statement -1 and statement -2 are true and statement -2 is not the correct explanation of statement -1.

C

Statement -1 is true but statement -2 is false.

D

Statement -1 is false but statement 2 is true.

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The correct Answer is:

D

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