A Soap bubble has a thickness of 90 nm and its refractive index is `mu" = 1.4"`. What colour does the bubble appear to be at a point on its surface closest to an observer when it is illuminated by white light?

A Soap bubble has a thickness of 90 nm and its refractive index is `mu

1.	A Soap bubble has a thickness of 90 nm and its refractive index is `mu" = 1.4"`. What colour does the bubble appear to be at a point on its surface closest to an observer when it is illuminated by white light?
Answer» Correct Answer - green

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A Soap bubble has a thickness of 90 nm and its refractive index is `mu" = 1.4"`. What colour does the bubble appear to be at a point on its surface closest to an observer when it is illuminated by white light?

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