The half‐life of a radioactive substance is 30 minutes. The time (in minutes) taken between 40% decay and 85% decay of the same radioactive substance is
Text Solution
Verified by ExpertsThe correct answer is:
D
Nuclei at time 
Remaining nuclei after 40% decay
Remaining nuclei after 85% decay
Hence, two half life is required between 40% decay and 85% decay of a radioactive substance.
Time taken 
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
A nucleus of mass number 189 splits into two nuclei having mass number 125 and 64. The ratio of rad…
A nucleus with mass number 240 breaks into two fragments each of mass number 120, the binding energ…
The energy equivalent of 0.5 g of a substance is [NEET 2020]
If radius of the nucleus is taken to be , then the radius of nucleus is nearly
In the nuclear emission stated above, the mass number and atomic number of the product respective…
When a uranium isotope is bombarded with a neutron, it generates , three neutrons and [NEET 2020]