A glass slab of refractive index ${\mu }_{0}=1.44$ is coated with a thin film of refractive index ${\mu }_{f}=2$. The minimum thickness of the film, so that maximum transmission of green light of wavelength λ = 5000A˚ (incident normally) takes place, is:

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A glass slab of refractive index \({\mu }_{0}=1.44\) is coated with a thin film of refractive index \({\mu }_{f}=2\). Th…

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