Physics, 06.12.2019 19:31 savannahvargas512
The wings of some beetles have closely spaced parallel lines of melanin, causing the wing to act as a reflection grating. suppose sunlight shines straight onto a beetle wing.
if the melanin lines on the wing are spaced 2.0 apart, what is the first-order diffraction angle for green light (lamda=550 nm)?
Answers: 3
= Wavelength = 550 nm
(generally given in 
)
= Diffraction angle
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