A) 5% B) 20% C) 3.6% D) 13%
A) 1 to 2 mSv B) 0.06 mSv C) 3.6 mSv D) 14 mSv
A) 14 to 32 mSv B) 0.06 mSv C) 50 mSv D) 5 to 8 mSv
A) 5 to 8 mSv B) 3.6 mSv C) 14 mSv D) 50 mSv
A) 1 Sv B) 3–5 Sv C) 7.5–10 Sv D) 2.0–3.5 Sv
A) rem B) rad C) röntgen D) gray
A) 0.5 B) 20 C) 5 D) 1
A) Energy level B) Color C) Wavelength D) Origin
A) Isomeric transition B) The nucleus C) Particle annihilation D) Electrons outside the nucleus
A) 10 percent B) 50 percent C) 32 percent D) 2 percent
A) rad B) gray C) rem D) röntgen
A) cobalt-56 B) nickel-56 C) technetium-99m D) uranium-235
A) 5 Sv B) 7.5–10 Sv C) 1 Sv D) 3–5 Sv
A) röntgen B) rad C) gray D) sievert
A) Atomic origin B) Isomeric half-life C) Photon energy D) Radioactive decay
A) Sub-atomic particle and particle-photon interactions B) Molecular vibration C) Thermal agitation D) Radioactive decay
A) Terrestrial gamma-ray flash B) Cosmic background flash C) Solar flare burst D) Synchrotron pulse
A) Bremsstrahlung B) Nuclear decay C) Pair production D) Inverse Compton scattering
A) Magnetic fields B) Radioactive decay C) Gravity D) High intensity static electric fields
A) 10 GeV B) 511 keV C) 1 MeV D) 100 MeV
A) 1972 B) 2017 C) 1950 D) 1987
A) 511 keV B) 1 GeV C) 100 MeV D) 200 keV
A) Red giants B) Supernovas C) White dwarfs D) Neutron stars
A) Pulsars B) Black holes C) Quasars D) Solar flares
A) Quasars B) Magnetars C) Pulsars D) Supernovae
A) Pair production B) Inverse Compton scattering C) Bremsstrahlung D) Synchrotron radiation
A) Quasars B) Magnetars C) Pulsars D) Supernovas
A) Lasers as exciters B) Magnetar collisions C) Nuclear reactors D) Cosmic ray bombardment
A) Edward Andrade B) Ernest Rutherford C) Paul Villard D) Henri Becquerel
A) Beta decay B) X-ray emission C) Gamma decay D) Alpha decay
A) Ernest Rutherford B) Henri Becquerel C) Edward Andrade D) Paul Villard
A) Beta rays B) Gamma rays C) X-rays D) Alpha rays
A) 1899 B) 1896 C) 1900 D) 1903
A) Frequency B) Penetrating power C) Magnetic deflection D) Mass of particles
A) X-rays B) Gamma rays C) Alpha rays D) Beta rays
A) Gamma rays B) Alpha rays C) Delta rays D) Beta rays
A) They were attracted to the negative pole B) They were heavily deflected C) They were not deflected D) They were attracted to the positive pole
A) They were atoms B) They were pure energy without mass C) They were electromagnetic waves D) They were particles with mass
A) Emission from radium B) Interaction with alpha particles C) Deflection in a magnetic field D) Reflection from crystal surfaces
A) They are twice as long B) They are shorter C) They are identical D) They are longer
A) Paul Villard B) Henri Becquerel C) Marie Curie D) Edward Andrade
A) α B) β C) X D) γ
A) Cygnus X-3 B) The Sun C) The Moon D) Mars
A) Aluminum or steel B) Wood or paper C) Lead or concrete D) Plastic or glass
A) Optical damage B) Heat exhaustion C) Allergic reactions D) Ionizing radiation causing DNA mutations
A) Negatively charged state B) Stable ground state C) Excited state D) Neutral ground state
A) Beta transition atom B) Alpha isomer C) Ground state isotope D) Nuclear isomer
A) Atomic conversion B) Beta-plus decay C) Primary gamma decay D) Isomeric transition
A) It becomes instantaneous B) It is accelerated C) It stops completely D) It is slowed
A) K shell B) L shell C) M shell D) Valence shell
A) Photoelectric effect B) Isomeric transition C) Beta decay D) Nuclear fission
A) Alpha particle B) Proton C) Electron D) Neutron
A) 100% B) 99.88% C) 95.50% D) 99.00%
A) Platinum-192 B) Neptunium-237 C) Nickel-60 D) Cobalt-60
A) 192Ir/60Ni B) 241Am/60Ni C) 192Ir/192Pt D) 60Co/60Ni
A) Negatively charged systems B) Positively charged systems C) Ionized systems D) Neutral systems
A) Electromagnetic interaction B) Gravitational interaction C) Weak interaction D) Strong interaction
A) Beta emission B) Nuclear fusion C) Alpha decay D) Pair production
A) Two electrons B) Two positrons C) Two photons D) One gamma ray and one neutron
A) A central dwarf star B) Colliding dark matter clouds C) A cluster of neutron stars D) A supermassive black hole
A) Intermittent bursts B) Relatively continuous C) Extremely flickering sparks D) Total darkness
A) Less than a few light-weeks across B) Exactly one light-year across C) Over a thousand light-weeks across D) More than a few light-years across
A) Water waves B) Sound waves C) Seismic waves D) Radio waves
A) The majority B) Exactly half C) A small fraction D) None of it
A) The magnetic field B) A black hole's gravitational lens C) The density of the Earth's atmosphere D) The event horizon of a star
A) Atomic number density B) Half-value layer C) Stopping power index D) Energy attenuation factor
A) Lead bricks B) Depleted uranium C) Water D) Steel plates
A) Thicker shielding B) No shielding is required C) Thinner shielding D) Lower density material
A) Exponential B) Logarithmic C) Inversely proportional D) Proportional
A) e B) I C) x D) μ
A) Total number of electrons B) Thickness of the material C) Number of atoms per cm3 D) Weight of the material
A) Mössbauer spectroscopy B) X-ray crystallography C) Electron diffraction D) Franck–Condon spectroscopy
A) Blue topaz B) Green emerald C) Clear diamond D) Red ruby
A) 10 B) 100 C) 50 D) 30
A) Irradiation B) Sterilization C) Ionization D) Autoclaving
A) Gamma rays reflect off tumors B) Cancer cells absorb gamma rays C) Cancer has a higher metabolic rate D) Cancer cells emit radiation
A) Acute organ failure. B) Stochastic health risk. C) Immediate tissue necrosis. D) Deterministic health risk.
A) Beneficial mutations. B) Stochastic effects. C) Deterministic effects. D) Adaptive immune responses.
A) Absorbed dose. B) Equivalent dose. C) Total genetic damage. D) Milli-Sievert count.
A) Only if the radiation is alpha type. B) Yes, within limits. C) No, damage is always permanent. D) Only after the cell dies.
A) 100 days. B) 45 days. C) 10 days. D) 1 day.
A) Cardiomyopathy. B) Neurological decay. C) Liver failure. D) Skin lesions. |