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

Question

Quizplus · Accepted Answer

The peak sensitivity of our eyes is around 550 nm, which corresponds to the yellow-green part of the spectrum. Therefore, a filter that matches this wavelength range would be the best choice. The yellow filter is the one that comes closest to matching the sensitivity of our eyes.

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