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Set RL7 – Snell's Law 4

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Assignment Overview

Combine Snell's Law with the relationship between the speed of light and the index of refraction to determine an angle of incidence or refraction or a speed of light value. Includes 5 problems.

 1. RL7Q1
Points: 0/1

Light travels at a speed of 2.13x108 m/s in an unknown material. A ray of light entering the material from air is observed to refract at an angle of refraction of 34.4°. What was the angle of incidence?

  1. Angle of Incidence

    °

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 2. RL7Q2
Points: 0/1

Light traveling at 2.02x108 m/s through a transparent, plastic block is approaching its boundary with air at an angle of incidence of 25.2°. Determine the angle of refraction for this light ray in air.

  1. Angle of Refraction

    °

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 3. RL7Q3
Points: 0/1

Light travels with a speed of 2.105 x 108 m/s in mineral oil. A ray of light traveling through air is incident on the surface of mineral oil at an angle of incidence of 46.1°. Calculate the angle of refraction.

  1. Angle of Refraction

    °

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 4. RL7Q4
Points: 0/1

A ray of light in water (n = 1.333) approaches the boundary with a second substance at an angle of incidence of 61.8° and refracts with an angle of refraction of 43.2°. Determine the speed of light in the second substance.

  1. Speed of Light

    x10^

    m/s

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 5. RL7Q5
Points: 0/1

Light in air approaches the boundary of oil at an angle of 45.6 degrees with respect to the normal. The light travels at a speed of 2.37 x 108 m/s through the oil. Determine the angle of refraction.

  1. Angle of Refraction

    °

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