A thin film of MgF2MgF2 (n� = 1.38) coats a piece of glass. Constructive interference is observed for the reflection of light with wavelengths of 500 nmnm and 667 nmnm . Part A What is the thinnest film for which this can occur?

A thin film of MgF2MgF2 (n� = 1.38) coats a piece of glass. Constructive interference is observed for the reflection of light with wavelengths of 500 nmnm and 667 nmnm . Part A What is the thinnest film for which this can occur?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter35: Diffraction And Interference

Section: Chapter Questions

Problem 82PQ

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Question

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A thin film of MgF2MgF2 (n� = 1.38) coats a piece of glass. Constructive interference is observed for the reflection of light with wavelengths of 500 nmnm and 667 nmnm .

Part A

What is the thinnest film for which this can occur?

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