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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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11. A ray of light in air is incident on an air-to-glass boundary at an angle of 30. degrees with the normal. If the index of refraction of the glass is 1.65, what is the approximate angle of the refracted ray within the glass with respect to the normal?
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36 degrees
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30. degrees
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56 degrees
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46 degrees
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18 degrees
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- A light ray in air has an incident angle of 53.8゚ when it strikes the boundary of an unknown material. If the reflected ray is completely polarized so that the incident angle is the Brewster's angle what is the index of refraction of the unknown material? A. 1.25 B. .807 C. 1.69 D. .591 E. 1.37arrow_forwardWhat causes the refraction of light at a boundary between two media? A An angle of incidence greater than the critical angle The absorption and emission of light back into the original medium The different indices of refraction for different wavelengths in the same medium Different speeds of light in the two mediaarrow_forward2. A small light source (point source) is located in water (nr 1.33) at a depth d below the surface. Determine (a.) the critical angle for total reflection of light at the water-air interface (b.) the depth of the light source if an observer above the water sees an illuminated circle of 3m radius.arrow_forward
- QUESTION 12 A tank containing methanol has walls 2.50 cm thick made of glass of refractive index 1.55. Light from the outside air strikes the glass at 42.30 with the normal to the glass. Find the angle the light makes with the normal in the methanol. Methanol has a the refractive index of 1.329. Attach File Browse Local Files Browse Content Collectionarrow_forward20. A light wave is incident at 0 degrees to the normal approaching a plane mirror. What will be the angle of the reflected ray?A. 0B. 45C. 90D. 180arrow_forwardThe speed of light in a vacuum is 3 x 108 m/s. What is the ratio of its speed in water (n = 1.33) to its speed in a vacuum? Enter your answer as a percentagearrow_forward
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