Question

During mean life of a radioactive element, the fraction that disintegrates is –

• A. e
• B. $\frac{1}{e}$
• C. $\frac{e - 1}{e}$
• D. $\frac{e}{e - 1}$

Answer 1

Answer: (C)

$\frac{e - 1}{e}$

Answer 2

N' = N₀, O.P = =