Which statement is correct concerning lasers? a) Laser provide isolated lines of
ID: 1072603 • Letter: W
Question
Which statement is correct concerning lasers? a) Laser provide isolated lines of multiple wavelengths for many applications. b) Laser provide nonisolated lines of variable wavelength for many applications. c) Laser provide isolated lines of a single wavelength for many applications. Which statement is correct? a) Monochromatic light is a single wavelength, and polychromatic light is many wavelengths. b) Monochromatic gratings pass a single wavelength of light, and polychromatic gratings pass many wavelengths of light. c) Monochromatic light is black light, and polychromatic light is white light. Which statement is correct concerning detectors? a) A photodiode is a very sensitive device in which electrons emitted from the photosensitive surface strike a second surface called a dynode, which is positive with to respect to the photosensitive emitter. b) A photomultiplier tube is a very sensitive device in which electrons emitted from the photosensitive surface strike a second surface called a dynode, which is positive with respect to the photosensitive emitter. c) A charge-coupled device is a very sensitive device in which electrons emitted from the photosensitive surface strike a second surface called a dynode, which is positive with to respect to the photosensitive emitter.Explanation / Answer
13) option (c() is correct
(14) option (a) is correct
(15) option (a) is correct
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