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Decrease in atomic number is observed du...

Decrease in atomic number is observed during
A) `alpha`-emission B) `beta`-emission
C) Positron emission D) electron capture

A

B is correct

B

A and B are correct

C

A, C and D are correct

D

Only C

Text Solution

Verified by Experts

The correct Answer is:
C
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NARAYNA-NUCLEI -C.U.Q
  1. Arrange in increasing order of: a. The mass of alpha, beta, and gamm...

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  2. If a beam consisiting of alpha,beta and gamma radiation is passed thro...

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  3. Decrease in atomic number is observed during A) alpha-emission B) b...

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  4. When ""(15)P^(30) decays to become ""(14)Si^(30) the particle released...

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  5. During beta^(-)-decay, a neutron inside nucleus converts into proton, ...

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  6. If a nucleus emits a gamma-ray, its atomic and mass number but there w...

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  7. In the following nuclear reaction .(13)Al^(27)+.(2)He^(4)rarr.(15)P^...

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  8. In nuclear reaction .(4)Be^(9)+.(2)He^(4)rarr.(6)C^(12)+X,X will be

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  9. In nuclear reaction "" (2) He ^(4)+ "" (z) X ^(A) to "" (z+2) Y ^(A+3)...

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  10. A positron is emitted by radioactive nucleus of proton no 90. The prod...

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  11. .(13)Al^(27)+alpha-particle rarrneutron +'X' then 'X' is

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  12. The penentrating powder of beta particle compared to alpha particle is

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  13. In a nuclear reactor, heavy water is used as a

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  14. The units of radioactivity is

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  15. The half-life of a radioactive isotope is 3 hours. The value of its di...

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  16. .(92)U^(238)rarr.(82)Pb^(206)+8.(2)^(4)He. The number of beta particle...

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  17. The activity in any nucleus is measured in

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  18. Alpha particles are

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  19. alpha-particles carries

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  20. At a specific instant emission of radioactive compound is deflected in...

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