The average life period of a radioactive element is the reciprocal of its
- AHalf-life period
- BDisintegration constant
- CNumber of atoms present at any time
- DNumber of neutrons
Explore More
Similar Questions
The decay constant of $Ra^{226}$ is $1.37 \times 10^{-11} \ s^{-1}$. $A$ sample of $Ra^{226}$ having an activity of $1.5 \ mCi$ will contain ...... atoms.
Medium
View SolutionThe half-life period $t_{1/2}$ of a radioactive element is $N$ years. The period of its complete decay is
Medium
View SolutionIf the amount of radioactive substance is increased three times,the number of atoms disintegrated per unit time would
Difficult
View SolutionIf the half-life of a certain radioactive nucleus is $1000 \ s,$ the disintegration constant is
Medium
View Solution$A$ sample of rock from the moon contains an equal number of atoms of uranium and lead ($t_{1/2}$ for $U = 4.5 \times 10^9$ years). The age of the rock would be:
Medium
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