A produces an electric signal when struck by photons. a. photomultiplier tube b. dynode C. Czerny-Turner...
Label the components of the atomic absorption experimental schematic below. Then match the component with its description. Each component will be used once when labeling the diagram and once when matching to the description. Po Fuel Monochromator Air Flame Hollow- cathode lamp Detector Sample It is composed of the same element that is being analyzed in the sample. It is used to atomize the sample. It is used to select one line of radiation from the source and remove as...
1. Consider a photomultiplier composed of a photocathode, nine dynodes and an anode. If each dynode ejects five electrons for each electron striking it, what is the approximate gain of the tube? A) 45 B) 1 x 105 C) 2 x 106 D) 1 x 107 E) 1 x 109 2. 2. For a scanning optical spectrometer, selection of a narrower slit width for the monochromator A) will improve the resolution of the spectrometer. B) will decrease the signal to...
Choose the best answer: if a spectrometer will be used to measure absorbance in the ultraviolet region of the spectrum, the best choice for a source would be a: A. deuterium lamp B. quartz cuvette C. glass cuvette D. photomultiplier tube E. tungsten lamp F. globar source G. vacuum photodiode H. prism
ASKED 3 TIMES WITH NO ANSWER YET Label the components in the luminescence experimental setup below. Then match the component with its description. Each component will be used once when labeling the diagram and once when matching to the description. Label the components in the luminescence experimental setup below. Then match the component with its description. Each component wl be used once when labeling the diagram and once when matching to the description ex Emission monochromatorsource monochromatorcell Light Excitation SampleDetector...
x rays are produced when: a. electric current flows through the x ray tube filament b. projectile electrons bounch off the cathode c. the outer shell electron binding energy d. the mass of filtration e the orientation of the target
When an electric current is passed through a tube containing hydrogen, hydrogen atoms absorb some of the electrical energy and reemit it as a color Select one: A. white e B. yellow e © C. violet D. blue Ered
Lux a) What does the signal detect/respond to? b) When is the signal On/Off c) Is the system inducible, repressible, or mixed? d) Describe the systems response
PII/NRII/NRI a) What does the signal detect/respond to? b) When is the signal On/Off c) Is the system inducible, repressible, or mixed? d) Describe the systems response
Please show all work and answer all questions A 1.50mW laser produces photons of wavelength 689 nm. a. What is the frequency of the photons? b. What is the energy in Joules and electron volts for the photons? c. How many photons per second does the laser emit? d. If the laser is used to produce photo electrons in a photoelectric experiment and the maximum kinetic energy of the electrons is found to be 0.800 eV, what is the work...
America's oil boom began when Edwin Drake struck oil while drilling in A. California. B. Louisiana. C. Texas. D. Kentucky. E. Pennsylvania.