Download the app

Radio activity

Remember concepts with our Masterclasses.

80k Users
60 mins Expert Faculty Ask Questions
Question

A freshly prepared radio active source of half life 2 hr emits radiation of intensity which is 64 times the permissible safe level. The minimum time after which it would be possible to work safely with this source is

Moderate
Solution

If A be the activity at safe level, Then

AA0=12n    164=12n  n=6  nt1/2=12hr.


Ready to Test Your Skills?

Check Your Performance Today with our Free Mock Tests used by Toppers!

Talk to our academic expert!

+91

Are you a Sri Chaitanya student?


ctaimg

Create Your Own Test
Your Topic, Your Difficulty, Your Pace


Similar Questions

The half life period of a radioactive element X is same as the mean life time of another radioactive element Y. Initially both of them have the same number of atoms. Then


whats app icon
phone icon