Free Nuclear Physics MCQs with Answers
1,254 Nuclear Physics MCQs from Physics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Atomic nuclei contain protons and neutrons, with nuclear size, mass defect and binding energy describing their stability. The work covers alpha, beta and gamma decay, decay equations, half-life and decay rate, along with radiation safety and medical applications such as imaging, radiotherapy and tracers.
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1,254 questions · page 22 of 63
- A. 0.000554 u
- B. 0.0000554 u
- C. 1,007276 u
- D. 1.0086654 u
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Correct answer: 0.000554 u- A. Kilogram
- B. Gram
- C. Meters
- D. Atomic mass unit
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Correct answer: Atomic mass unit- A. β-particle
- B. R.ray
- C. α-Particle
- D. Proton
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Correct answer: α-Particle- A. Protium
- B. Deutrium
- C. Tritium
- D. All of above
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Correct answer: All of above- A. Grater than one
- B. Equal to one
- C. Less than one
- D. None of these
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Correct answer: Equal to one- A. 28.2 eV
- B. 28.2 Kev
- C. 28.2 Mev
- D. 28.2 μev
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Correct answer: 28.2 Mev- A. Fission takes place
- B. A heavy element breakup in to lighter element
- C. Both (a) and (b)
- D. None of these
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Correct answer: Both (a) and (b)- A. Photon
- B. Nucleons
- C. Positron
- D. Antiproton
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Correct answer: Positron- A. Zero
- B. +1.6 x 10^-19 C
- C. -1.6 x 10^-19 c
- D. None of above
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Correct answer: Zero430. Mass of proton is:
- A. 1.67 x 10^-27 kg
- B. 9.1 x 10^-31 kg
- C. 1.67 x 10^-17 kg
- D. 2.1 x 10^-27 kg
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Correct answer: 1.67 x 10^-27 kg431. Mass of electron Is:
- A. 1.67 x 10^-27kg
- B. 9.1 x 10^-31 kg
- C. 1.67 x 10^-17 kg
- D. 2.1 x 10^-27 kg
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Correct answer: 9.1 x 10^-31 kg- A. +1.6 x 10^-19 C
- B. -1.6 x 10^-19 C
- C. 2.1 x 10^-19 c
- D. None of above
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Correct answer: -1.6 x 10^-19 C433. 1 amu is equal to:
- A. 1.0606 x 10^-27kg
- B. 1.66 x 10^-31 kg
- C. 1.66 x 10^-34 kg
- D. 1.66 x 10^-19 kg
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Correct answer: 1.0606 x 10^-27kg434. Atoms of an element whose atomic number are the same but have different mass numbers are called:
- A. Isomers
- B. Isotones
- C. Isotopes
- D. None of these
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Correct answer: Isotopes- A. Positive particle nucleus
- B. Neutrons in the nucleus
- C. Nucleons in the nucleus
- D. Protons in the nucleus
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Correct answer: Nucleons in the nucleus436. An apparatus used to determine the masses of protons, nuclei, ions and to detect the isotopes is:
- A. Mass spectrograph
- B. Dosimeter
- C. Geiger counter
- D. None of these
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Correct answer: Mass spectrograph- A. A + Z
- B. A - Z
- C. Z
- D. None of these
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Correct answer: A - Z- A. Number of isotopes
- B. Atomic number
- C. Mass number
- D. None of these
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Correct answer: Atomic number- A. Binding energy
- B. Potential and kinetic energy
- C. Atomic energy
- D. Nuclear energy
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Correct answer: Binding energy- A. Nuclear energy
- B. Binding energy
- C. Binding energy per nucleon
- D. None of above
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Correct answer: Binding energy per nucleon