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D the value of the brewster polarizing angle for a

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D) The value of the Brewster (polarizing) angle for a ray going from air into a transparent material increases as the refractive index of the material increases. E) When you walk away from a flat mirror at a speed v , the distance between you and your image increases at a speed 2 v . 1
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7) A glass plate whose index of refraction is 1.68 is immersed in a liquid. The surface of the glass is inclined at an angle of 35 e with the vertical. A horizontal ray in the glass is incident on the interface. The liquid is an oil whose index of refraction is 1.40. The incident horizontal ray refracts at the interface. The angle that the refracted ray, in the oil, makes with the horizontal is closest to: A) 4.2 e B) 6.4 e C) 11 e D) 8.5 e E) 13 e 8) The following are positioned in sequence: A source of a beam of natural (non-polarized) light of intensity I o ; three ideal polarizers A, B, and C; and an observer. Polarizer axis angles are measured clockwise from the vertical, from the perspective of the observer. The axis angle of polarizer A is set at zero degrees (vertical), and the axis angle of polarizer C is set at 50 degrees. The axis angle of polarizer B is set at 120 e . The ratio of the intensity of the beam at the observer to the intensity of the source is closest to: 9) A carousel, 5.0 m in radius, has a pair of 600 Hz sirens, mounted on posts at opposite ends of a diameter. The carousel rotates with an angular velocity of 0.80 rad/s. A stationary listener is located at a distance from the carousel. The speed of sound is 350 m/s. The longest wavelength reaching the listener from the sirens, in cm, is closest to: 10) Which of the following is a WRONG statement?
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