Nuclear Physics MCQs with answers Page - 1

You will find multiple-choice questions (MCQs) related to #Nuclear Physics here. Go through these questions to prepare effectively for your upcoming exams and interviews.

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Q. Who discovered the neutron?

  • (A) J.J. Thomson
  • (B) Rutherford
  • (C) James Chadwick
  • (D) Niels Bohr

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Q. The process in which a heavy nucleus splits into two or more lighter nuclei is called:

  • (A) Nuclear fusion
  • (B) Nuclear fission
  • (C) Radioactive decay
  • (D) Ionization

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Q. Which of the following is used as a moderator in a nuclear reactor?

  • (A) Graphite
  • (B) Lead
  • (C) Mercury
  • (D) Iron

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Q. In a nuclear reaction, which of the following quantities is conserved?

  • (A) Mass only
  • (B) Energy only
  • (C) Mass-energy and momentum
  • (D) Charge only

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Q. Which isotope of uranium is commonly used as fuel in nuclear reactors?

  • (A) Uranium-235
  • (B) Uranium-238
  • (C) Uranium-234
  • (D) Uranium-239

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Q. The energy released in nuclear reactions is due to:

  • (A) Chemical reactions
  • (B) Conversion of mass into energy
  • (C) Friction between particles
  • (D) Heat exchange

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Q. Which type of radiation has the highest penetrating power?

  • (A) Alpha rays
  • (B) Beta rays
  • (C) Gamma rays
  • (D) Neutrons

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Q. Which particle is emitted during beta-minus decay?

  • (A) Proton
  • (B) Electron
  • (C) Neutron
  • (D) Alpha particle

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Q. What is the function of a control rod in a nuclear reactor?

  • (A) To speed up neutrons
  • (B) To slow down neutrons
  • (C) To absorb excess neutrons
  • (D) To cool the reactor

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Q. Which element is commonly used as fuel in fusion reactions?

  • (A) Deuterium
  • (B) Plutonium
  • (C) Uranium
  • (D) Thorium
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