Top 15 Nuclear Physics Exam Questions and Answers

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Nuclear Physics Exam Questions and Answers to Prepare and Excel

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  1. In alpha decay (α-decay) proton number of parent nuclide
  1. increases by 2
  2. increases by 1
  3. decreases by 2 (Answer)
  4. decreases by 4
  1. Times a proton is heavier than an electron is
  1. 1827
  2. 1876
  3. 1836 (Answer)
  4. 1789
  1. In fission, mass of products is
  1. less than original nucleus (Answer)
  2. more than original nucleus
  3. equal to original nucleus
  4. both B and C
  1. Phenomenon in which radiations split matter in to ions is called
  1. denaturing
  2. ionization (Answer)
  3. condensation
  4. atomization
  1. Compound containing some amount of radioisotope is
  1. tracer (Answer)
  2. radioactive compound
  3. non radioactive
  4. linear active compound
  1. Cosmic radiation consists of
  1. protons and electrons
  2. alpha particles
  3. larger nuclei
  4. all of above (Answer)
  1. Temperature at center of sun is
  1. 50 million kelvin
  2. 20 million kelvin (Answer)
  3. 30 million kelvin
  4. 40 million kelvin
  1. Beta particles are stream of high energy
  1. electrons (Answer)
  2. protons
  3. photons
  4. positrons
  1. Greatest ionization power is possessed by
  1. beta particles
  2. gamma particles
  3. neutrons
  4. alpha particles (Answer)
  1. Mass of neutron and proton is
  1. equal (Answer)
  2. unequal
  3. zero
  4. undetermined
  1. Lifetime of unstable nuclei is
  1. Limited
  2. Unlimited (Answer)
  3. 100 years
  4. 50 years
  1. Radioisotope for treating cancer tumors and cells is
  1. Phosphorous-32
  2. carbon-14
  3. cobalt-60 (Answer)
  4. cobalt-59
  1. Simplest atom with single proton is of
  1. Nitrogen
  2. Helium
  3. Carbon
  4. hydrogen (Answer)
  1. Safe level of radiation exposure per year is
  1. 1.0 rem
  2. 2.0 rem
  3. 5.0 rem (Answer)
  4. 4.0 rem
  1. Gamma (γ) radiation are fast moving
  1. electrons
  2. protons
  3. photons (Answer)
  4. neutrons

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