Home
Class 12
PHYSICS
Half-life of a substance is 10 years. In...

Half-life of a substance is `10` years. In what time, it becomes `(1)/(4) th` part of the initial amount ?

A

5 years

B

10 years

C

20 years

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`1/4 = (1/2)^(t/10) rArr t/10 = 2 rArr t = 20` years .
Promotional Banner

Similar Questions

Explore conceptually related problems

Half life of a substance is 10 years. In what time it 1/4th part of the initial amount?

The half-life of a radioactive substance is 10 days. The time taken for the ((7)/(8)) th of the sample of disintegrates is

The half life of radioactive substance is 10 year. How long will it take to reduce to one fourth of its original amount and what is the value of its decay constant ?

The half-life of a radiactive material is 4 days. Find the time required for 1//4 th of the initial number of radioactive nuclei of the element to remain undisintegrated.

The half-life of a radioactive substance is 10 days. This means that

The half life of radium is 1600 years. After how much time, (1)/(16)th part of radium will radium will remain undisintergrated in a sample?

The half-life period of a radioactive substance is 30 days. What is the time taken for 3/4 the of its original masss to disintegrate ?