Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life of sample is T, then in time (T₂ – T₁), the number of decayed atoms is proportional to

Options

(a) R₁T₂-R₂T₁
(b) (R₁-R₂)T
(c) (R₁-R₂)/T
(d) (R₁-R₂)

Correct Answer:

(R₁-R₂)T

Explanation:

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