A Silicon Monoxide (N = 1

question 4

Multiple Choice

A silicon monoxide (n = 1.45) film of 112-nm thickness is used to coat a glass camera lens (n = 1.56) .What wavelength of light in the visible region (390 to 710 nm) will be most efficiently transmitted by this system? (1 nm = 10−⁹ m)

• A)520 nm
• B)768 nm
• C)715 nm
• D)650 nm
• E)455 nm

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