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Radioactivity is a-...

Radioactivity is a-

A

nuclear process

B

atomic process

C

chemical process

D

physicall process

Text Solution

Verified by Experts

The correct Answer is:
A
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MOTION-RADIOACTIVITY & NUCLEAR PHYSICS-Exercise -1
  1. Radioactivity is a-

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  2. If the pressure on a radioactive material is increased three tim...

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  3. What will be the effect of dissolving a radioactive material in H...

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  4. What will happen when a radioactive substance with mean life 2 xx ...

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  5. The half life of a radioactive material is 20 days . It it is ...

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  6. The decay constant of the end product of a radioactive series is

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  7. A fraction of (5)/(9) of a radioactive substance decays in time. ...

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  8. If the quantify of radioactive material reduces by 10% in 5days...

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  9. The activity of a sample reduces from A(0) "to" (A(0))/(sqrt(3)) in on...

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  10. Half life of radium is 1620 years . How many radium nuclei dec...

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  11. A radioactive sample at any instant has its disintegration rate 5000 d...

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  12. 90% of a radioactive sample is left undecayed after time t has elapese...

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  13. A radio active sample contains 10^(6) radioactive nucleus it s h...

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  14. 1 mg radium has 2.68 xx 10^(18) atoms. Its half-life is 1620 years. Ho...

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  15. If the activity of radioactive sample drops to 1//32 of its initi...

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  16. A freshly prepared radioactive source of half life period of 2 hour em...

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  17. A radioactive sample contains two elements P and Q . The mass ...

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  18. The radioactive sources A and B of half lives of 2hr and 4hr respectiv...

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  19. The half life of polonium is 140 days. In what time will 15 g of polon...

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  20. The half life of radium is 1600 years . In how much time will ...

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