If We Assume Normal Incidence,the Minimum Thickness of a Soap

question 83

Multiple Choice

If we assume normal incidence,the minimum thickness of a soap film (n = 1.33) in air that gives constructive interference when viewed by reflected light of wavelength 400 nm is

• A)225 nm
• B)200 nm
• C)100 nm
• D)75 nm
• E)57 nm

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Lumbar Puncture

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