An oil film floats on a water surface. The indices of refraction for water and oil, respectively, are 1.333 and 1.466 . If a ray of light is incident on the air-to-oil surface at an angle of 40.0° with the normal, what is the incident angle at the oil-to-water surface?

a. 24.2°
c. 26.0°
b. 37.0°
d. 18.1°


C

Physics & Space Science

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Fill in the blank(s) with correct word

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Red light with a wavelength of 650. nm travels from air into a liquid with an index of 1.33. What is the frequency and wavelength in the liquid?

What will be an ideal response?

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