Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A freshly prepared radioactive source of half life
2 hours 30 minutes emits radiation which is 64 times the permissible safe level. The minimum time, after which it would be possible to work safely with source, will be________ hours.
Text Solution
Verified by ExpertsThe correct answer is:
15
(15) 
hours
──────────────────────────────────────────────────────────────────────────────────────────
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
PART-I PHYSICS
SECTION-A
The dimensions of will be: (if : permeability of free space and : magne…
A NCC parade is going at a uniform speed of under a mango tree on which a monkey is sitting at a h…
In two different experiments, an object of mass moving with a speed of hits two different walls a…
A balloon has mass of in air. The air escapes from the balloon at a uniform rate with velocity . …
If the radius of earth shrinks by while its mass remains same. The acceleration due to gravity on …
The force required to stretch a wire of crosssection to double its length will be:
(Given Yong's m…