Home
Class 12
PHYSICS
In a mean life of a radioactive sample...

In a mean life of a radioactive sample

A

About 1/3 of substance

B

About 2/3 of substance disintegrates

C

About `90%` of substance disintegrates

D

Almost all the substance disintegrates

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Calculate the ratio of half-life to the mean life of a radioactive sample . If lambda be the decay constant of a radioactive sample.

Let T be the mean life of a radioactive sample. 75% of the active nuclei present in th sample initially will deacy in time

The mean life of a radioactive sample is 100 years. Then after 100 years, about -

The mean life of a radioactive sample is T_(m) . What is the time in which 50% of the sample woulf get decayed ?

The mean of life of a radioactive sample is 100 years. Then after 100 years, about-

How many atoms decay in one mean life time of a radioactive sample-

The rate of decay of a radioactive sampel is given by R_(1) at time t_(1) and R_(2) at a later time. t_(2) . The mean life of this radioactive sample is:

Mean life of a radioactive sample is 100s . Then ,its half-life (in min) is

The probaility that a certaun radioactive atom would get disintefrated in a time equal to the mean life fo the radioactive sample is

Mean life of a radioactive sample is t_0 . What fraction of sample remains left after time t_0ln_2 ?