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An excited Ne^22 nucleus is disintegrate...

An excited `Ne^22` nucleus is disintegrated into an unknown nucleus and two `alpha`-particles . This unknown nucleus is

A

nitrogen

B

carbon

C

boron

D

oxygen

Text Solution

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The correct Answer is:
B
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CHHAYA PUBLICATION-ATOMIC NUCLEUS-EXERCISE
  1. Which of the following statements is correct ?

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  2. A radioactive nucleus of mass number A, initially at rest, emits an al...

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  3. An excited Ne^22 nucleus is disintegrated into an unknown nucleus and ...

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  4. The half-life of I^131 is 8d. If a sample of I^131 is taken at time t=...

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  5. In a freshly prepared radioactive sample the rate of radiation is 64 t...

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  6. The mean life of a radioactive element is 13 days. Initially a sample ...

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  7. The half-life of At^215 is 100 mus.The time taken for the radioactivit...

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  8. The half-life of a radioactive substance is 20 min. The approximate t...

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  9. The half-life of a radioactive isotope X is 50 years . It decays to an...

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  10. A nucleus .n^mX emits one alpha particle and two beta^- particles .The...

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  11. Two radioactive nuclei P and Q in a given sample decay into a stable n...

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  12. Of the following equations which one is the probable nuclear fusion re...

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  13. In the nuclear reaction .7^14N + X to .6^14C + .1^1H the X will be

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  14. Fast moving neutrons are retarded

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  15. In nuclear fusion,

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  16. 4.1H^1 to .2He^4 + 2e^(+)+ 26 MeV : this is an equation of

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  17. The power obtained in a reactor using U^235 disintegration is 1000 kW....

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  18. What is the relation between unified atomic mass unit (u) and electron...

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  19. The mass of a proton or a neutron is nearly 1.67xx10^(-24) g . What i...

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  20. What is the order of magnitude of the density of nuclear matter ?

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