If (N\_0) is the original mass of the substance of half-life... | Physics | SolveeIt | Solveeit

Today, August 18

Question

If $N_0$ is the original mass of the substance of half-life period $t_{\frac12} = 5$ years, then the amount of substance left after 15 years is

A

$\frac{N_0}{8}$

B

$\frac{N_0}{18}$

C

$\frac{N_0}{2}$

D

$\frac{N_0}{4}$

Answer

$\frac{N_0}{8}$

Explanation

Solution

The correct option is(A): $\frac{N_0}{8}$