Question

What is the relation between half life (T) and decay constant ($λ$) of a radioactive element?

• A. $T=0.693 λ$
• B. $T=\frac{λ}{0.693}$
• C. $T=\frac{0.693}{λ}$
• D. $T=\frac{0.693}{λ^2}$

Answer 1

Answer: (C)

$T=\frac{0.693}{λ}$

Answer 2

The correct option is (C)