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(II) How thick (minimum) should the air layer be between
Chapter 27, Problem 45P(choose chapter or problem)
QUESTION:
Problem 45P
(II) How thick (minimum) should the air layer be between two flat glass surfaces if the glass is to appear bright when 450-nm light is incident normally? What if the glass is to appear dark?
Questions & Answers
QUESTION:
Problem 45P
(II) How thick (minimum) should the air layer be between two flat glass surfaces if the glass is to appear bright when 450-nm light is incident normally? What if the glass is to appear dark?
ANSWER:
Step-by-step solution
Step 1 of 4
a)
In order for the glass to be bright with the wavelength of 450nm light, what must be the thickness of the air layer between two glasses?
We are looking for the thickness of the air for the first order bright fringe of air wedge as in the figure.