Light of Wavelength 450 Nm Shines on a Soap Bubble

question 17

Multiple Choice

Light of wavelength 450 nm shines on a soap bubble film (n = 1.46) .For what soap film thickness,other than the minimum thickness,will constructive interference occur?

• A)771 nm
• B)154 nm
• C)493 nm
• D)231 nm
• E)462 nm

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