Optical Glass Filters Are Used to Select Certain Portions of a Star's

question 51

Multiple Choice

Optical glass filters are used to select certain portions of a star's light for photometry.Which filter would MOST closely match the sensitivity of our eyes,which have a peak sensitivity at about 550 nm wavelength? (See Figure 3-1,Comins,Discovering the Essential Universe,6th ed.)

• A) ultraviolet
• B) red
• C) yellow
• D) blue

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