Home
Class 12
PHYSICS
The rate of disintegration was observed ...

The rate of disintegration was observed to be `1017` disintegrations per sec when its half life period is `1445` years. The original number of particles are.

A

`8.9xx10^(27)`

B

`6.6xx10^(27)`

C

`1.4xx10^(16)`

D

`1.2xx10^(17)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • NUCLEAR PHYSICS

    CENGAGE PHYSICS|Exercise ddp.5.5|15 Videos

  • NUCLEAR PHYSICS

    CENGAGE PHYSICS|Exercise ddp.5.3|15 Videos

  • Moving charges and magnetism

    CENGAGE PHYSICS|Exercise Question Bank|20 Videos

  • NUCLEI

    CENGAGE PHYSICS|Exercise QUESTION BANK|59 Videos

Similar Questions

Explore conceptually related problems

If 3//4 quantity of a radioactive substance disintegrates in 2 hours, its half - life period will be

If half life period of radium is 1600 years, its average life period will be:

The ratio activity of an element becomes 1//64 th of its original value in 60 sec . Then the half-life period is

Calculate the number of disintegrations per second of 1 g of a radioactive sample whose half-life is 1.4 xx 10^(16)s . The mass number of the sample is 238

Smaller the value of half - life period, greater is the number of atoms that are disintegrating.