The walls of a soap bubble have about the same index of refraction as that of pl

ID: 1306001 • Letter: T

Question

The walls of a soap bubble have about the same index of refraction as that of plain water, n=1.33. There is air both inside and outside the bubble.

Part A

What wavelength (in air) of visible light is most strongly reflected from a point on a soap bubble where its wall is 300nm thick?

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What wavelength (in air) of visible light is most strongly reflected from a point on a soap bubble where its wall is 346nm nm thick?Part C

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The walls of a soap bubble have about the same index of refraction as that of plain water, n=1.33. There is air both inside and outside the bubble.

Part A

What wavelength (in air) of visible light is most strongly reflected from a point on a soap bubble where its wall is 300nm thick?

? = nm

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What wavelength (in air) of visible light is most strongly reflected from a point on a soap bubble where its wall is 346nm nm thick?Part C

? = nm

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Part A) 532nm

Part C) 613.573nm

Using wavelength = 2nt/(m+1/2), where

n = index of refraction of the soap bubble

t = thickness of the bubble wall

m = 0, 1, 2, 3, ...,

Visbile light rand 390nm to 700nm.

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