Three experiments involving reflection fr thickness and A denotes the wavelength oz constructive interference as seen by the ob air film air incident light d I eye d = 52/4

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Three experiments involving reflection from a thin film in air are shown. If d enotes the film
thickness and A denotes the wavelength of the light in the film, which experiments will produce
constructive interference as seen by the observer?
air
film
air
incident
light
d
I
eye
d = 52/4
eye
All
+
d = 32/2
II
III
eye
d=2/2
Transcribed Image Text:Three experiments involving reflection from a thin film in air are shown. If d enotes the film thickness and A denotes the wavelength of the light in the film, which experiments will produce constructive interference as seen by the observer? air film air incident light d I eye d = 52/4 eye All + d = 32/2 II III eye d=2/2
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