Home
Class 12
PHYSICS
What percentage of decay takes place in...

What percentage of decay takes place in the average life of a substance ?

A

Prior to alpha decay.

B

Prior ot beta decay.

C

Prior to positron decay.

D

Due to de-excitment of nuclear levels.

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

In one average-life,

In one average-life,

The average life of an isolated neutron

The decay constant , for a given radioactive sample, is 0.3465 "day"^(-1) .What percentage of this sample will get decayed in a period of 4 days ?

A radioactive substance is oxidised. What changes would you expect to take place in the nature of radioactivity ? Explain your answer.

Put the correct symbols in the following statements : I. The average life span of a crow ........ then the average life span of a parrot . II. The average life span of a rose plant ...... then the average life span of a rice plant. III. The average life span of a cow .... than the average life span of a crocodile. IV.The average life span of a banyan tree ..... then the average life span of a banana tree.

Activity of a radioactive substance decreases from 8000 Bq to 1000 Bq in 9 days. What is the half-life and average life of the radioactive substance?

(a) Differentiate between half-life and average life of a radioactive substance. (b) A radioactive substance decays for an interval of time equal to its mean life. Find the fraction of the amount of the substance which is left undecayed after this time interval.

Define half-life of a radioactive substance.

What is an average life span of erythrocytes?