A radioactive sample has 
active atoms at 
. If the rate of disintegration at any time is R and the number of atoms is N, then the ratio R/N varies with time as
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Rate 
⇒ ⇒ 
= λ λ (constant)
i.e. graph between 
and t, be a straight line parallel to the time axis.
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