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Why are heavy nuclei usually unstable?...

Why are heavy nuclei usually unstable?

A

Electrostatic repulsion dominate over nuclear attraction

B

Nuclear repulsion dominate over nuclear attration

C

Nuclear forces are absent in heave nuleus

D

Nuclear force is long range force

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The correct Answer is:
A
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AAKASH INSTITUTE ENGLISH-NUCLEI-ASSIGNMENT (SECTION-A)
  1. A nucleus with Z =92 emits the following in a sequence: alpha,beta^(...

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  2. In nuclear reactions, we have the conservation of

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  3. Why are heavy nuclei usually unstable?

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  4. When .90 Th^228 transforms to .83 Bi^212, then the number of the emitt...

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  5. In the radioactive decay of an element it is found that the count rate...

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  6. If a radioactive material remains 25% after 16 days, then its half lif...

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  7. Using a nuclear counter the count rate of emitted particles from a rad...

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  8. Radioactivity of a sample at T(1) time is R(1) and at time T(2) is R(2...

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

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  10. At time t=O, some radioactive gas is injected into a sealed vessel. At...

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  11. A radioactive isotope X with a half-life of 1.37xx10^(9) yr decays to ...

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  12. Two elements P and Q have half-line of 10 and 15 minutes repectively. ...

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  13. In the circuit shown below, V should be:

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  14. A freshly prepared radioactive source of half-life 2 h emits radiation...

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  15. GAMMA DECAY

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  16. A sample of a radioactive substance has 10^(6) radioactive nuclei. Its...

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  17. Half-life of radioactive element depend upon

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  18. Neutrino is a particle, which is

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  19. Ordinary water is not used as a moderator in nuclear reactors because

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  20. Out of the following , which one is not emitted by a natural radioact...

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