For a radioactive material, half‐life is 10 minutes. If initially there are 600 number of nuclei, the time taken (in minutes) for the disintegration of 450 nuclei is
Text Solution
Verified by ExpertsThe correct answer is:
A
Number of nuclei remaining,
According to the law of radioactive decay,
; where 
is the number of nuclei initially.
; where 
half life.
or 
minutes 
minutes
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