Question: A. Do rods have their peak sensitivity at a higher orlower frequency than cones? B. Dorods and cones have similar sensitivities near the red or

8 Log relative sensitivity 3 65 0 350 400 Rods Cones 500

A. Do rods have their peak sensitivity at a higher orlower frequency than cones? B. Dorods and cones have similar sensitivities near the red or near theviolet edge of the visible spectrum? C. Is it easier to detecta dim red source or a dim violet source of light?

8 Log relative sensitivity 3 65 0 350 400 Rods Cones 500 600 700 800 Wavelength (nm)

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