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• Which of the following can liberate photo electrons when they fall on certain metals?(a) Alpha particles(b) Beta particles(c) Gamma particles(d) X-ray particlesI got this question during an online interview.The above asked question is from Fundamentals of Radiochemical Methods topic in section Radiochemical Techniques of Analytical Instrumentation
• Liquid samples must be counted using ionization chamber by placing them in which of the following?(a) Test tube(b) Curvette(c) Ampoules(d) FlaskThe question was posed to me in an interview.This is a very interesting question from Radiation Detectors topic in division Radiochemical Techniques of Analytical Instrumentation
• Gamma camera uses one scintillation detector.(a) True(b) FalseI got this question in homework.I need to ask this question from Gamma Camera in chapter Radiochemical Techniques of Analytical Instrumentation
• Gamma camera uses which of these components to produce a position intensity picture of a radioactive area?(a) Collimator(b) Scintillation detector(c) Photo multiplier tubes(d) Position circuitryThis question was posed to me in homework.My question comes from Gamma Camera topic in division Radiochemical Techniques of Analytical Instrumentation
• In which type of quenching, the radiation emitted by the isotope is not detected due to absorption of the radiation by the sample itself?(a) Chemical quench(b) Interference quench(c) Colour quenching(d) Self-absorptionThis question was addressed to me during an internship interview.I'm obligated to ask this question of Liquid Scintillation Counters in portion Radiochemical Techniques of Analytical Instrumentation
• Which of the detectors is similar to Geiger Muller counter in construction but is filled with heavier gas?(a) Proportional counter(b) Flow counter(c) Semiconductor detector(d) Scintillation counterI have been asked this question in an online interview.My question is based upon Radiation Detectors in division Radiochemical Techniques of Analytical Instrumentation
• When UV light is absorbed by the fluor molecules the light emitted is in which of the following colours?(a) Pink(b) Red(c) Green(d) BlueThe question was posed to me in a job interview.I'm obligated to ask this question of Liquid Scintillation Counters in portion Radiochemical Techniques of Analytical Instrumentation
• The difference between the pulses having amplitudes between the two triggering levels is called __________(a) Pulse width(b) Energy gap(c) Window width(d) Amplitude variationThis question was addressed to me in an interview for job.The query is from Pulse Height Analyser in division Radiochemical Techniques of Analytical Instrumentation
• The stability of the nucleus can be predicted by which of the following?(a) Electron to neutron ratio(b) Neutron to proton ratio(c) Proton to electron ratio(d) Neutron to electron ratioThis question was posed to me by my school principal while I was bunking the class.The query is from Fundamentals of Radiochemical Methods topic in portion Radiochemical Techniques of Analytical Instrumentation
• A quench curve can be constructed by plotting the counting efficiency versus ____________(a) Q-number(b) Quench factor(c) H-number(d) DisintegrationsI have been asked this question in exam.Asked question is from Liquid Scintillation Counters topic in division Radiochemical Techniques of Analytical Instrumentation