Q. The phenomenon of radioactivity was discovered by

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Q. Out of the following places, heavy water plant is not located at

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Q. Heavy water plant is not located at

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Q. Which is not a fissile nuclear material ?

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Q. Nuclear fuel usually used in a Boiling Water Reactor (BWR) is

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Q. The new nucleus formed after β-decay of a radioactive element has

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Q. Energy produced in the nuclear fission is of the order of __________ MeV.

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Q. Pressure in a Pressurised Water Reactor (PWR) is used for

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Q. Pick out the wrong statement.

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Q. Water is a better coolant than a gas (like CO₂, He, N₂ etc.), because it

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Q. Net efficiency of ordinary light water cooled nuclear reactor is about __________ percent.

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Q. The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is

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Q. Extraction of uranium from its ore is done by __________ method.

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Q. 75% of a radioactive element decays in 6 hours. Its half life period is __________ hours.

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Q. Nuclear power plant is not located at

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Q. Heavy water is used as a moderator in a

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Q. Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?

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Q. Which of the following isotopes is not present in natural uranium ?

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Q. Which of the following is present in Bhabha Atomic Research Centre (BARC) complex, Trombay (Bombay) ?

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Q. Quantity of fissionable material (i.e. U-235) in natural uranium is __________ percent.

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