What is the minimum thickness of a thin film required for constructive interference in the reflected light from it?
Given, the refractive index of the film = 1.5, wavelength of the light incident on the film = 600 nm
a)
100 nm
b)
300nm
c)
50 nm
d)
200 nm
What is the minimum thickness of a thin film required for constructive interference in the reflected light from it?
Given, the refractive index of the film = 1.5, wavelength of the light incident on the film = 600 nm
a)
100 nm
b)
300nm
c)
50 nm
d)
200 nm
Question ID - 150031 | SaraNextGen Top Answer
What is the minimum thickness of a thin film required for constructive interference in the reflected light from it?
Given, the refractive index of the film = 1.5, wavelength of the light incident on the film = 600 nm
a)
100 nm
b)
300nm
c)
50 nm
d)
200 nm
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What is the minimum thickness of a thin film required for constructive interference in the reflected light from it? Given, the refractive index of the film = 1.5, wavelength of the light incident on the film = 600 nm |
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a) |
100 nm |
b) |
300nm |
c) |
50 nm |
d) |
200 nm |
1 Answer
127 votes
Answer Key / Explanation : (a) -
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(a) Condition for constructive interference is
Where, For minimum thickness,
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127 votes
Answer Link
127