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.
Last updated
1,254 questions · page 24 of 63
- A. Nature of element
- B. Amount of radioactive substance
- C. Magnetic field
- D. None of these
Explanation: Explanation for this question will be added soon!
Correct answer: Amount of radioactive substance- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: Explanation for this question will be added soon!
Correct answer: Option B- A. Varies inversely with time
- B. Decreases with time
- C. Constant
- D. Decreases exponentially with time
Explanation: Explanation for this question will be added soon!
Correct answer: Decreases exponentially with time464. The time taken tbr a radioactive clement to decay to half of its original number of atoms is called:
- A. Half life of the material
- B. Decay life of the material
- C. Average life of material
- D. None of these
Explanation: Explanation for this question will be added soon!
Correct answer: Half life of the material- A. T1/2 = 0.693/λ
- B. T1/2 = 0.603λ
- C. T1/2 = 0.6932λ
- D. T1/2 = 0.603/λ
Explanation: Explanation for this question will be added soon!
Correct answer: T1/2 = 0.693/λ- A. Average life
- B. Half life
- C. Mean life
- D. None of these
Explanation: Explanation for this question will be added soon!
Correct answer: Mean life- A. m
- B. m-1
- C. s-1
- D. Nm-1
Explanation: Explanation for this question will be added soon!
Correct answer: s-1- A. N0/2
- B. N0/16
- C. 2N0
- D. 4N0
Explanation: Explanation for this question will be added soon!
Correct answer: N0/16- A. 4.5 x 10^9 years
- B. 3.8 days
- C. 1620 years
- D. 23.5 minutes
Explanation: Explanation for this question will be added soon!
Correct answer: 4.5 x 10^9 years- A. 4.5 x 10^9 years
- B. 3.8 days
- C. 1620 years
- D. 23.5 minutes
Explanation: Explanation for this question will be added soon!
Correct answer: 1620 years- A. Half life
- B. Decay constant
- C. Mean life
- D. None of these
Explanation: Explanation for this question will be added soon!
Correct answer: Decay constant- A. Ionization of material atoms sue to direct collision
- B. Ionization of material atoms due to electrostatic attraction
- C. Excitation of material atoms
- D. All of these
Explanation: Explanation for this question will be added soon!
Correct answer: Ionization of material atoms sue to direct collision- A. Its mass and charge
- B. Its charge
- C. Its mass
- D. All of above
Explanation: Explanation for this question will be added soon!
Correct answer: All of above- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: Explanation for this question will be added soon!
Correct answer: Option A- A. Radiation coefficient
- B. Absorption coefficient
- C. Emission coefficient
- D. Material coefficient
Explanation: Explanation for this question will be added soon!
Correct answer: Absorption coefficient- A. Nuclear fusion
- B. Nuclear fission
- C. Chain reaction
- D. None of these
Explanation: Explanation for this question will be added soon!
Correct answer: Nuclear fission- A. Slow neutrons
- B. Fast neutrons
- C. Thermal neutrons
- D. None of these
Explanation: Explanation for this question will be added soon!
Correct answer: Fast neutrons478. The product of the fission reaction of uranium named barium and krypton have a total mass equal to:
- A. 1.96 MeV
- B. 0.67 MeV
- C. 0.9 MeV
- D. 0.97 MeV
Explanation: Explanation for this question will be added soon!
Correct answer: 0.9 MeV- A. Cadmium
- B. Uranium
- C. Iron
- D. Boron
Explanation: Explanation for this question will be added soon!
Correct answer: Cadmium- A. Option A
- B. Option B
- C. Option C
- D. Option D
Explanation: Explanation for this question will be added soon!
Correct answer: Option A