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During a negative beta decay,...

During a negative beta decay,

A

an atomic electorn is ejected

B

an electron which is already present within the nucleus is ejected

C

a neutron in the nucleus decays emitting an electorn

D

a proton in the nucleus in beta decays emitting an electorn

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The correct Answer is:
C
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CP SINGH-NUCLEAR PHYSICS AND RADIO ACTIVITY-EXERCISES
  1. In which of the following decays the element does not change?

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  2. Which of the following process represents a gamma- decay?

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  3. During a negative beta decay,

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  4. The electron emitted in beta radiation originates from

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  5. Consider a sample of a pure beta-active material

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  6. In a radioactive decay, a nucleus is transformed into another with the...

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  7. In which of the following decays the atomic number decreases? (i) al...

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  8. A and B are isotopes. B and C are isobars. All three are radioactive. ...

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  9. Which of the following assertions are correct? (i) A neutron can dec...

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  10. When a nucleus with atomic number Z and mass number A undergoes a radi...

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  11. The number of beta particles emitter by radioactive sustance is twice ...

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  12. The decay constant lambda of the radioactive sample is probaility of d...

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  13. Some radioactive nucleus may emit

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  14. The correct order of ionising capcity of alpha, beta and gamma-rays is

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  15. Which of the following is in the increasing order for penetrating powe...

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  16. A radiaoactive nucleus (initial mass number A and atomic number Z emit...

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  17. Consider a radioactive material of half-life 1.0 minute. If one of the...

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  18. In a radioactive series, .(92)U^(238) charges to .(82)Pb^(206) through...

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  19. The decay constant of a radiaoactive sample is lambda . The half life ...

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  20. The decay constant lambda of the radioactive sample is probaility of d...

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