selftest4 - b. Non-monochromatic light c. Particulates in...

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Self Test 4 Kristen Lucas Started: August 2, 2009 1:33 PM Questions: 8 Finish Save All Help 1. ST4Q1 (Points: 10) The velocity of light in a vacuum is a. Proportional to temperature b. A function of wavelength c. A constant d. Proportional to wavelength Save Answer 2. ST4Q2 (Points: 10) Electromagnetic radiation consists of a. Protons b. Photons c. Electrons d. Positrons Save Answer 3. ST4Q3 (Points: 10) Beers Law a. Considers instrument factors b. Relates transmitted light intensity to concentration c. Relates path length to concentration Page 1 of 3 Assessment 8/2/2009 https://elearning.courses.ufl.edu/webct/urw/lc2786794951071.tp2796168319071/allViewAs. ..
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d. States that light absorption decreases with increasing concentration Save Answer 4. ST4Q4 (Points: 10) Ultraviolet light has the wavelength range a. 200-400nm b. 190-450nm c. 400-800nm d. 1µm-3µm Save Answer 5. ST4Q5 (Points: 10) Linearity of the Beer Lambert law is affected by a. Fluorescence of the sample
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Unformatted text preview: b. Non-monochromatic light c. Particulates in the sample d. Electrostatic interactions between molecules e. All of the above Save Answer 6. ST4Q6 (Points: 10) For UV absorbance spectrophotometry, the sample cell is made of a. Glass b. Plastic c. Silica d. Sodium chloride Page 2 of 3 Assessment 8/2/2009 https://elearning.courses.ufl.edu/webct/urw/lc2786794951071.tp2796168319071/allViewAs. .. e. Potassium Bromide Save Answer 7. ST4Q7 (Points: 10) The light source for dispersive Infra red spectrophotometers usually consists of a. A tungsten lamp b. A deuterium lamp c. A photomultiplierx d. A silicon carbide Globar Save Answer 8. ST4Q8 (Points: 10) Infra red analysis can be performed on samples: a. In solution b. As powders c. As gases d. As a halide disk e. All of the above Save Answer Finish Save All Help Page 3 of 3 Assessment 8/2/2009 https://elearning.courses.ufl.edu/webct/urw/lc2786794951071.tp2796168319071/allViewAs. .....
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selftest4 - b. Non-monochromatic light c. Particulates in...

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