At , nuclei of a radioactive substance have activity nuclei per second. Match the…

PHYSICS · Subjective · CBSE · Physics · Nuclei · Nuclei

Problem

t=0

x

nuclei of a radioactive substance have activity

y

nuclei per second. Match the following columns.

Column I	Column II
(a) Decay constant $\lambda$	(p) $(\ln 2)\left(\frac{x}{y}\right)$
(b) Half-life	(q) $\frac{x}{y}$
(c) Activity after time $t=\frac{1}{\lambda}$	(r) $\frac{y}{e}$
(d) Number of nuclei after time $t=\frac{1}{\lambda}$	(s) None of these