6. When white light directly hits peacock feathers, they appear blue when viewed at 15° on either side of the incident b

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6 When White Light Directly Hits Peacock Feathers They Appear Blue When Viewed At 15 On Either Side Of The Incident B 1 (51.79 KiB) Viewed 38 times

6. When white light directly hits peacock feathers, they appear blue when viewed at 15° on either side of the incident beam. This is due to diffraction by melanin bands in the feathers. Blue light with a wavelength 15° 15° of 485 nm is diffracted at 15° a. What is the spacing between the melanin bands to achieve this? b. At what angle would you see 530 nm green light? C. At what angle would you see 430 nm violet light? d. Is there another angle at which the feather will appear to be 485 nm blue? Explain.