Home
Class 12
PHYSICS
Radioactive material A has decay constan...

Radioactive material A has decay constant `8lambda` and material B has decay constant `lambda`.Initially,They have same number of nulei.After what time,the ratio of number of nuclei of material B to that A will be `1/e`?

A

`1/(9lamda)`

B

`1/(lamda)`

C

`1/(7lamda)`

D

`1/(8lamda)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Radioactive material 'A' has decay constant '8 lamda' and material 'B' has decay constant 'lamda'. Initial they have same number of nuclei. After what time, the ratio of number of nuclei of material 'B' to that 'A' will be (1)/( e) ?

Radioactive material 'A' has decay constant '8 lamda' and material 'B' has decay constant 'lamda'. Initial they have same number of nuclei. After what time, the ratio of number of nuclei of material 'A' to that 'B' will be '(1/ e) ?

Two radioactive material A and B have decay constants 10 lambda and lambda , respectively. If initially they have a the same number of nuclei, then the ratio of the number of nuclei of A to that of B will be 1//e after a time 1/(n lambda) , where n is ___________

Two radioactive materials A and B have decay constants 10lambda and lambda , respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of A of that of B will be 1//e after a time :

Two radioactive materials X_(1) and X_(2) have decayconstants 10lambda and lambda respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of X_(1) , to that of X_(2) will be 1/e after a time,

Two radioactive materials X_(1) and X_(2) have decay constants 5 lambda and lambda respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of X_(1) to that of X_(2) will be 1/e after a time (1.) λ (2.) 1/ 2 λ (3.) 1/ 4 λ (4.) e/ λ

Two radioactive materials X_(1) and X_(2) have decay constants 10 lamda and lamda respectively. If initially they have the same number of nuclei, if the ratio of the number of nuclei of X_(1) to that of X_(2) will be 1//e after a time n/(9lamda) . Find the value of n ?

Two redioactive materials X_(1)andX_(2) have decay constants 10lamdaandlamda , respecitvely. If initially they have the same number of nuclei, then the ratio of the number of nuclei of X_(1) to that of X_(2) will be 1/e after a time

Two radioactive materials X_(1) and X_(2) have decay constant 11 lambda and lambda respectively. If initially they have same number of nuclei, then ratio of number of nuclei of X_(1) to X_(2) will be (1)/(e) after a time

Two radioactive X_(1) and X_(2) have decay constants 10 lambda and lambda respectively . If initially they have the same number of nuclei, then the ratio of the number of nuclei of X_(1) to that of X_(2) will be 1//e after a time .