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Natali5045456 [20]
3 years ago
15

They realize there is a thin film of oil on the surface of the puddle. If the index of refraction of the oil is 1.81, and they o

bserve the reflected light in the air to be orange (wavelength of 600 nm), what is the thickness of the film of oil in nanometers? Give your answer with one decimal place please.
Physics
1 answer:
Sphinxa [80]3 years ago
3 0

Answer:

The right solution is "165.8 nm".

Explanation:

Given:

Index of refraction,

n = 1.81

Wavelength,

λ = 600 nm

We know that,

⇒ t=\frac{\lambda}{2\times n}

By putting the values, we get

      =\frac{600}{2\times 1.81}

      =165.8 \ nm

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