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The phenomenon of radioactivity...

The phenomenon of radioactivity

A

Exothermic change which increases or decreases with temperature

B

Increases on applied pressure

C

Nuclear process does not depend on external factors

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
C
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ERRORLESS-ATOMIC AND NUCLEAR PHYSICS-NCERT BASED QUESTIONS (Radioactivity)
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  2. Radioactive nuclei that are injected into a patient collect at certain...

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  3. The phenomenon of radioactivity

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  4. Consider two nuclei of the same radioactive nuclide. One of the nuclei...

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  5. The half-life period of radium is 1600 years. The fraction of a sample...

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  6. The radioactivity of a certain radioactive element drops to 1//64 of i...

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  7. The ratio of half-life times of two elements A and B is (T(A))/(T(B))....

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  8. The life-life of Bi^210 is 5 days. What time is taken by (7//8)^th par...

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  9. A radio-isotope has a half-life of 5 yeard. The fraction of the atoms...

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  10. The half-life of pononium is 140 days. After how many days. 16 gm polo...

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  11. Radon (Ra) decays into Polonium (P0) by emitting an alpha-particle wit...

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  12. Half-lives of two radioactive substances A and B are respectively 20 m...

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  13. The half life of a radioactive substance is 20 minutes . The approxima...

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  14. If half-life of a substance is 3.8 days and its quantity is 10.38 gm. ...

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  15. A radioactive material has an initial amount 16 gm After 120 days it r...

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  16. Two radioactive substance A and B have decay constants 5 lambda and la...

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  17. A sample of radioactive element has a mass of 10 g at an instant t=0. ...

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  18. A radioactive sample has 6.0 xx 10^18 active nuclei at a certain insta...

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  19. Two samples X and Y contain equal amounts of radioactive substances. I...

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  20. A set of atom in an excited state decays

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