The count rate observed from a radioactive source at seconds was and at seconds it was

PHYSICS · Single correct · A Level · Physics · Nuclear physics · Nuclear physics

Problem

The count rate observed from a radioactive source at

t

seconds was

n_0

and at

4t

seconds it was

\frac{n_0}{16}

. The count rate observed at

\left(\frac{11}{2}\right)t

seconds will be (1)

\frac{n_0}{128}

(2)

\frac{n_0}{64}

(3)

\frac{n_0}{32}

(4) None of these