A) Geiger–Müller counter B) Ionization stabilizer C) Townsend detector D) Radiation pulse meter
A) Measuring magnetic fields B) Detecting infrared radiation C) Generating nuclear energy D) Detecting and measuring ionizing radiation
A) X-rays and infrared rays B) Alpha, beta, and gamma rays C) Only alpha particles D) Neutrons and dark matter
A) 1950 B) 1908 C) 1895 D) 1928
A) 1928 B) 1908 C) 1935 D) 1915
A) Massachusetts Institute of Technology B) University of Manchester C) University of Berlin D) University of Cambridge
A) Hall effect B) Photoelectric effect C) Doppler effect D) Townsend discharge effect
A) Xenon, krypton, or radon B) Oxygen, nitrogen, or carbon C) Hydrogen, methane, or propane D) Helium, neon, or argon
A) 400–900 volts B) 100–200 volts C) 1000–2000 volts D) 50–100 volts
A) Ionization retardant B) Conducting catalyst C) Voltage stabilizer D) Quenching mixture
A) Measuring high radiation rates B) It requires radioactive samples to operate C) It cannot detect alpha particles D) It is not a portable device
A) Zero maintenance requirements B) Infinite battery life C) Robust sensing element and low cost D) Ability to identify the exact isotope
A) Continuous discharge occurs B) The gas solidifies C) The tube freezes D) The sensor becomes more sensitive
A) Data sonification B) Digital imaging C) Wireless data transmission D) Quantum computing
A) Geiger–Müller tube B) Scintillation crystal C) Semiconductor diode D) Ionization chamber
A) Dose rate display B) Calibration display C) Counts display D) Energy display
A) Counts per second B) Sievert C) Hertz D) Counts per minute
A) The tube automatically detects the particle energy B) Electronics apply known factors specific to the instrument C) The user manually calculates the energy conversion D) The detector ignores the counts and measures energy directly
A) Serial communications B) Manual data logging only C) Mechanical ticker tape D) Analog pulses only
A) Ion chamber instruments. B) Pancake probes. C) Thin-walled windowless tubes. D) End-window Geiger counters.
A) Mica. B) Aluminum. C) Lead. D) Glass.
A) Within 10 mm. B) Within 50 mm. C) Within 100 mm. D) Within 1 meter.
A) Detect only high energy gamma rays. B) Withstand high pressure environments. C) Provide a larger detection area. D) Operate without a window membrane.
A) The weight of the mica. B) The size of the power supply. C) Atmospheric pressure against the window membrane. D) The magnetic field of the tube.
A) They are cheaper than Geiger counters. B) They do not require electricity. C) They can provide particle energy information. D) They are smaller than Geiger counters.
A) The circuitry is too simple. B) The output pulse magnitude is always the same. C) The window blocks all information. D) The gas inside reacts to all radiation equally.
A) Aluminum B) Stainless steel C) Lead D) Copper
A) Wall interaction B) Photoelectric effect C) Neutron capture D) Direct gas ionization
A) About 99% B) About 1% C) About 10% D) About 50%
A) Boron trifluoride B) Argon C) Neon D) Xenon
A) A vacuum chamber B) A plastic moderator C) A steel sleeve D) A lead shield
A) Hydrogen-1 B) Helium-4 C) Helium-3 D) Carbon-14
A) Better radiation shielding B) Lower power consumption C) Greater detector sensitivity D) Single-handed operation
A) Pancake probe design B) Two-piece design C) Integral design D) Flexible conduit design
A) A cylindrical probe B) A Mica-coated probe C) A pancake probe D) A long pole probe
A) Health and Safety Executive B) University of Manchester C) National Radiological Protection Board D) Atomic Energy Research Establishment
A) Ernest Rutherford B) John Sealy Townsend C) Sidney H. Liebson D) Walther Müller
A) Sidney H. Liebson B) Walther Müller C) John Sealy Townsend D) Hans Geiger
A) 1928 B) 1947 C) 1908 D) 1990
A) Much longer life B) Higher operating temperatures C) Ability to detect neutrons D) Faster response to light
A) They made the tubes significantly larger B) Lower operating voltages C) They eliminated the need for gas D) Higher operating voltages |