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alpha, beta and gamma radiations come ou...

`alpha, beta` and `gamma` radiations come out of a radioactive substance

A

spontaneously

B

when it is put in a reactor

C

when it is heated

D

under pressure

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The correct Answer is:
A
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CP SINGH-NUCLEAR PHYSICS AND RADIO ACTIVITY-EXERCISES
  1. Assume that the nuclear binding energy per nucleon (B//A) versus mass ...

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  2. Which of the following is correct regarding radioactive process ? (i...

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  3. alpha, beta and gamma radiations come out of a radioactive substance

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  4. In a radioactive decay, neither the atomic number nor the mass number ...

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  5. In which of the following decays the element does not change?

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

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  7. During a negative beta decay,

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  8. The electron emitted in beta radiation originates from

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

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

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

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

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

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

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

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

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  17. Some radioactive nucleus may emit

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

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

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

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