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The source of enormous energy of sun is ...

The source of enormous energy of sun is a)Fusion of hydrogen to form helium b)Fission of uranium c)Fusion of deuterium and tritium d)Fusion to tritium ot form helium

A

fusion of hydrogen to form heliun

B

fission of uranium

C

fusion of deuterium and tritium

D

fission of tritium to form helium

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The correct Answer is:
a
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OP TANDON-RADIOACTIVITY AND NUCLEAR TRANSFORMATION -OBJ - A
  1. Which one of the following statement is wrong?

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  2. Neutrons are more effective projectiles than protons because they

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  3. The source of enormous energy of sun is a)Fusion of hydrogen to form ...

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  4. In the neutron-induced fissioin reaction of .(92)U^(235) one of the pr...

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  5. .(88)^(228) X - 3 alpha - beta to Y. The element Y is:

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  6. Which radioactive isotope is used to detect tumours?

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  7. Natural uranium consists of .^(235)U:

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  8. .(92)^(238)U atom distintgrates to .(84)^(214) Po with a half life of ...

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  9. A parent nucleus X is decaying into daughter nucleus Y which in turn d...

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  10. .(13)Al^(27) is a stable isotope. .(13)Al^(29) is expected to disinteg...

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  11. Which of the following is the man-made radioactive disintegration seri...

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  12. The density of a nucleus is of the order of

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  13. Radioactive material is deacign with t(1//2) = 30 days on being, separ...

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  14. Radioactive substance has a constant activity of 2000 disintegrations ...

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  15. A radioactive element X has an atomic number of 100. It decays directl...

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  16. Enrichment of uranium is made by :

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  17. Let us consider emission of alphaparticle from uranium nucleus: .(92...

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  18. Artifical radioactive element are present in:

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  19. The .^(60)C isotope decays with a half life of 5.3 years. How long wou...

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  20. Which among the following is wrong about isodiaphere?

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