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Visible spectrum: Quiz

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Question 1: ________ was first detected by analyzing the spectrum of the Sun.
NitrogenHeliumOxygenHydrogen

Question 2: The ________ (NIR) windows lie just out of human response window, and the Medium Wavelength IR (MWIR) and Long Wavelength or Far Infrared (LWIR or FIR) are far beyond the human response region.
InfraredX-rayElectromagnetic spectrumUltraviolet

Question 3: ________ and many other insects can see light in the ultraviolet, which helps them find nectar in flowers.
EsoxBeeCattleHoney bee

Question 4: Typically, ________ uses high-dispersion diffraction gratings to observe spectra at very high spectral resolutions.
AstronomyAstronomical spectroscopyStarBig Bang

Question 5: The shifting of spectral lines can be used to measure the ________ or blue shift of distant or fast-moving objects.
Dark matterBig BangUniverseRedshift

Question 6: The connection between the visible spectrum and color vision was explored by Thomas Young and ________ in the early 19th century.
Hermann von HelmholtzLightPhysicsWilliam Thomson, 1st Baron Kelvin

Question 7: The first exoplanets were discovered by analyzing the ________ of stars at a resolution that revealed variations in radial velocity as small as a few meters per second.
General relativityDoppler effectAstronomyRedshift

Question 8: The result is that red light bends (________) less sharply than violet as it passes through the prism, creating a spectrum of colors.
RefractionRefractive indexOpticsMetamaterial

Question 9: [1] In terms of frequency, this corresponds to a band in the vicinity of 790–400 ________.
Electromagnetic spectrumUltravioletTerahertz radiationInfrared

Question 10: The spectrum does not, however, contain all the ________ that the human eyes and brain can distinguish.
Primary colorColorGreenPurple







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