Q. Which one is the radioactive isotope of hydrogen ?

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Q. A homogeneous reactor is the one, in which the

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Q. Hydrogen has __________ isotopes.

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Q. MeV is the unit of

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Q. Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 is around __________ m/sec.

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Q. Energy equivlant to one atomic mass unit (amu) is __________ MeV.

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Q. "Critical mass" is the minimum mass of nuclear fissile material required for the

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Q. Which of the following may be used to measure the rate of nuclear disintegration?

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Q. The decrease in the atomic number is not observed in case of

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Q. The mass number of an element is not changed, when it emits __________ radiations.

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Q. Which of the following is not a naturally occurring nuclear fuel ?

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Q. An electron has a mass that is approximately __________ that of the proton.

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Q. Fast breeder reactors do not

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Q. Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor.

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Q. Which of the following may not need a control rod ?

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Q. One 'amu' is equivalent to

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Q. Commercial power generation from fusion reactor is not yet possible, because

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Q. Which is the most commonly used molten metal for cooling of nuclear reactors ?

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Q. The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be __________ of its original weight.

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Q. The second underground nuclear test was conducted by India at

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