Home
Class 12
PHYSICS
A radioactive nucleus (initial mass numb...

A radioactive nucleus (initial mass number A and atomic number Z) emits `2alpha` and 2 positrons. The ratio of number of neutrons to that of proton in the final nucleus will be

A

`(A-Z-4)/(Z-2)`

B

`(A-Z-2)/(Z-6)`

C

`(A-Z-4)/(Z-6)`

D

`(A-Z-12)/(Z-4)`

Text Solution

Verified by Experts

The correct Answer is:
B
`(A-Z-4)/(Z-6)`
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER-16 (UNSOLVED)

    FULL MARKS|Exercise PART-II|9 Videos

  • SAMPLE PAPER-16 (UNSOLVED)

    FULL MARKS|Exercise PART-III|9 Videos

  • SAMPLE PAPER-1 (SOLVED)

    FULL MARKS|Exercise Questions|28 Videos

  • SAMPLE PAPER-2 (SOLVED)

    FULL MARKS|Exercise Part -IV|10 Videos

Similar Questions

Explore conceptually related problems

The atomic number of an element is 12 and its mass number is 24. The number of elecetrons , protons and neutrons respectivity will be

The number of neutrons is hydrogen atom is ___________

Which of the following has an equal number of neutrons and protons?

The mass number of a nucleus is equal to

The mass number of a nucleus is equal to

In a series of radioactive decays, if a nucleus of mass number 180 and atomic number 72 decays into another nucleus of mass number 172 and atomic 69, then the number of alpha and beta particles released respectively are