Home
Class 12
PHYSICS
A radioactive substance has half life of...

A radioactive substance has half life of four months. Three fourth of the substance will decay in

A

3 months

B

4 months

C

12 months

D

8 months.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

A radioactive substance has half life of 60 minutes. During 2 hours, the fraction of the sample that have decayed would be

A radioactive substance has a half-life of 60 minutes. During 3 hours the fraction of atom that have decayed would be

A human body required 0.01M activity of a radioactive substance after 24 hours. Half life of the radioactive substance is 6 hours. The injection of maximum activity of the radioactive substance that can be injected is :

A radio - active element has half - life of 15 years. What is the fractional that will decay in 30 years ?

A radioactive substance of mass 8 mg reduces to 1 mg after

A certain radioactive substance has half life period of 10 days. How long will it take for its activity to reduce to 1/8 of its original value ?

Starting with 10 g of a radioactive substance 0.1 gis left after 10 days. The rate constant for the decay is:

The half life period of a radioactive substance is 15 minutes. What per cent of radioactivity of that material will remain after 45 minutes ?