M3_prac - 1 A beam of light in air is incident upon a flat piece of glass(n = 1.50 at an angle of incidence of 45 Part of the beam is transmitted

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1. A beam of light in air is incident upon a flat piece of glass ( n = 1.50) at an angle of incidence of 45º. Part of the beam is transmitted and part is reflected. What is the angle between the reflected and transmitted rays? a. 38° b. 73° c. 107° d. 129° e. 142° 2. 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 37.0º with respect to the normal, what is the angle of the refracted ray in the water? a. 26.8° b. 41.6° c. 18.1° d. 37.0° e. 22.2° 3. A beam of white light is incident on a triangular glass prism with an index of refraction of about 1.500 for visible light, producing a spectrum. Initially, the prism is in a glass aquarium filled with water having an index of refraction of 1.33. If the water is emptied from the aquarium, which of the following is true? a. The position of the red and violet are reversed in the spectrum. b. The spectrum has the same separation between red and violet as that produced when the prism is in water. c. A spectrum is produced, but the deviation of the beam is opposite to that in air. d. The spectrum produced has greater separation between red and violet than that produced in water. e. The spectrum produced has less separation between red and violet than that produced in water.
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4. A ray of light travels through a liquid and strikes a liquid-to-glass interface. If the indices of refraction for the liquid and glass are, respectively, 1.75 and 1.52, what is the critical angle at this interface? a. Critical angle does not exist. b. 30.0° c. 52.2° d. 24.4° e. 60.3° 5. A double convex lens has a convex surface as viewed from either side on the lens, as shown in the figure. We wish to construct such a lens using glass having an index of refraction = 1.5. One surface has a radius of curvature equal to twice that of the other surface. If the focal length of the lens is to be 60 mm, what is the
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This note was uploaded on 07/02/2011 for the course PHYS 202 taught by Professor Warren during the Spring '09 term at Indiana.

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M3_prac - 1 A beam of light in air is incident upon a flat piece of glass(n = 1.50 at an angle of incidence of 45 Part of the beam is transmitted

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