Home
Class 12
PHYSICS
If N(0) is the original mass of the subs...

If `N_(0)` is the original mass of the substance of half - life period `t_(1//2) = 5 year` then the amount of substance left after `15` year is

A

`N_(0)/8`

B

`N_(0)/16`

C

`N_(0)/2`

D

`N_(0)/4`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NUCLEI

    MODERN PUBLICATION|Exercise REVISION EXERCISES (FILL IN THE BLANKS)|10 Videos

  • NUCLEI

    MODERN PUBLICATION|Exercise REVISION EXERCISES (SHORT ANSWER QUESTIONS)|21 Videos

  • NUCLEI

    MODERN PUBLICATION|Exercise REVISION EXERCISES (VERY SHORT ANSWER QUESTIONS)|47 Videos

  • MOVING CHARGES AND MAGNETISM

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|13 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    MODERN PUBLICATION|Exercise CHAPTER PRACTICE TEST|14 Videos

Similar Questions

Explore conceptually related problems

The half-life period of a first order reaction is 15 minutes. The amount of substance left after one hour will be:

The half life period of a radioactive substance is 10 year. The amount of the substance decayed after 40 years would be

What percentage of radioactive substance is left after 5 half lives?

If 50 gms of radio active substance has half life period of 14 hrs. 2 gms of the same substance will have half life of