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Assertion: Activity of 10^8 undecayed ra...

Assertion: Activity of `10^8` undecayed radioactive nuclei of half life 50 days is equal to that of `1.2xx10^8` number of undecayed nuclei of same other material with half life 60 days.
Reason :Activity is proportional to half life

A

Both .A. and .R. are true and .R. is the correct explanation of .A.

B

Both .A. and .R. are true and .R. is not the correct explanation of .A.

C

A. is true and .R. is false

D

A. is false and .R. is false

Text Solution

Verified by Experts

The correct Answer is:
C
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