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Questions and Answers
Diffraction gratings are only used in monochromators and spectrometers
Diffraction gratings are only used in monochromators and spectrometers
False
Transmissive gratings have ridges or rulings on their surface
Transmissive gratings have ridges or rulings on their surface
False
Diffraction gratings can be produced using holography to modulate the phases of incident waves
Diffraction gratings can be produced using holography to modulate the phases of incident waves
True
James Gregory observed the first diffraction grating in a laboratory setting
James Gregory observed the first diffraction grating in a laboratory setting
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The directions or diffraction angles of beams produced by diffraction gratings do not depend on the wavelength of the incident light
The directions or diffraction angles of beams produced by diffraction gratings do not depend on the wavelength of the incident light
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