Textbook ExpertVerified Tutor
24 Nov 2021
Given information
wavelength λ = 450 nm
Step-by-step explanation
Step 1.
Glass will appear bright when constructive interference will takes place
Condition of constructive interference
for minimum thickness m = 1
minimum thickness is given as
..........(1)
Substitute value of lambda in equation (1)
Thickness of the air layer be between two flat glass surfaces if the glass appeared bright when 450-nm light is incident normally is
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