(iii) For quarter-wave film thickness, show that for normal incidence, nons - ni R = nons + n?

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(iii) For quarter-wave film thickness, show that for normal incidence,
2
nons
R =
nons + n
Transcribed Image Text:(iii) For quarter-wave film thickness, show that for normal incidence, 2 nons R = nons + n
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