Consider a radioactive material of half-life 1.0 , minute . If one of nuclei decays now, next one wi

English

Gujarati

Hindi

13.Nuclei

easy

Consider a radioactive material of half-life $1.0 \, minute$. If one of the nuclei decays now, the next one will decay

A

After $1$ minute

B

After $\frac{1}{{{{\log }_e}\,2}}$ minute

C

After $\frac{1}{N}$ minute, where $N$ is the number of nuclei present at that moment

D

After any time

Solution

(d) Because radioactivity is a spontaneous phenomenon.

Standard 12

Physics

Share

Similar Questions

In the uranium radioactive series, the initial nucleus is $_{92}{U^{238}}$ and the final nucleus is $_{82}P{b^{206}}$. When the uranium nucleus decays to lead, the number of $\alpha – $ particles emitted will be

easy

During mean life of a radioactive element, the fraction that disintegrates is

medium

The half life of a radioactive substance against $\alpha – $ decay is $1.2 \times 10^7\, s$. What is the decay rate for $4.0 \times 10^{15}$ atoms of the substance

medium

(AIIMS-2010)

Out of the following, which one is not emitted by a natural radioactive substance?

easy

If the half life of a radioactive sample is $10\, hours$, its mean life is ……….$hours$

easy