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 amount of a radioisotope remaining un-decayed after a time equal to four times its half-life will be __________ percent.

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Q. The time taken for a radioactive element to reduce to 50% of its original weight is __________ years if its half-life period is 12 years.

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Q. Gas cooling as compared to water cooling of nuclear reactors __________

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Q. What is the decay product of tritium?

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

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Q. Which of the following may not need a moderator?

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

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Q. One amu is equivalent to?

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Q. Fast breeder reactors do not __________

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Q. A boiling water reactor is the one, in which the __________

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

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Q. Which is a fertile nuclear fuel?

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Q. Thermal shield is used in high powered nuclear reactors to __________

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Q. What is the function of moderators in nuclear reactor?

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Q. Which of the following is not used as a nuclear fuel cladding material?

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Q. Nuclear fuel complex, Hyderabad is engaged in the job of __________

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Q. Which one is different for the neutral atoms of the isotopes of an element?

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