What is the minimum thickness of a soap film needed for constructive interference in…
Physics · Class 12 · CBSE — Wave Optics
What is the minimum thickness of a soap film needed for constructive interference in reflected light, if the light incident on the film is 750 nm? Assume that the refractive index for the film is μ = 1.33.
- 282 nm
- 70.5 nm
- 141 nm
- 387 nm
Answer
(C) 141 nm
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