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CGP EDU Academic Team
Published on: September 12, 2026
A transparent film of refractive index, 2.0 is coated on a glass slab of refractive index, 1.45.
What is the minimum thickness of transparent film to be coated for the maximum transmission of Green light of wavelength 550 nm. [Assume that the light is incident nearly perpendicular to the glass surface.]
Text Solution
Verified by ExpertsThe correct answer is:
A
For transmitted green light to be maxima, reflected green should be minima.
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