The half-life of a radioactive disintegration $(A \to B)$ having a rate constant of $231 \ sec^{-1}$ is:
- A$3.0 \times 10^{-2} \ sec$
- B$3.0 \times 10^{-3} \ sec$
- C$3.3 \times 10^{-2} \ sec$
- D$3.3 \times 10^{-3} \ sec$
Explore More
Similar Questions
$A$ certain nuclide has a half-life period of $30 \ min$. If a sample containing $600$ atoms is allowed to decay for $90 \ min$,how many atoms will remain (in $atoms$)?
If the amount of radioactive substance is increased three times,the number of atoms disintegrated per unit time would
Difficult
View SolutionThe half-life for radioactive decay of $^{14}C$ is $5730 \ years$. An archaeological artifact containing wood had only $80\%$ of the $^{14}C$ found in a living tree. The age of the sample is ....... $years$.
Medium
View SolutionThe half-life period of a radioactive metal is $20 \ days$. What fraction of the metal remains after $80 \ days$?
Medium
View SolutionGadolinium-$153$,which is used to detect osteoporosis (porous bones),has a half-life of $242$ days. Which value is closest to the percentage of $Gd-153$ left in a patient's system after $2$ years? .......... $\%$
Difficult
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo