A pure sample of a radioactive isotope is studied in the laboratory.

PHYSICS · Multi-part · A Level · Physics · Nuclear physics · Nuclear physics

Problem

A pure sample of a radioactive isotope is studied in the laboratory. (i) Qualitative sketch of

N

versus

t

(ii) Qualitative sketch of

\ln N

versus

t

(iii) Explanation of constancy of half-life (iv) Identification of steeper curve for isotopes P and Q with justification