Exam 11: Properties of Light

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Two ideal polarizing sheets with their planes of polarization parallel to each other pass light of intensity I. If the planes are rotated in such a way that their planes of polarization make an angle of 40.0º, the intensity is approximately

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The dependence of the index of refraction on wavelength is called dispersion. A beam of light (in air) containing red and blue light is incident at an angle of 35 °\degree on a glass plate that has an index of refraction of 1.64 for blue light and 1.61 for red light. Calculate the angle between the red and blue light inside the glass.

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  Monochromatic light is incident on the prism at the proper angle for minimum deviation. The emergent ray passes through which point? Monochromatic light is incident on the prism at the proper angle for minimum deviation. The emergent ray passes through which point?

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  The figure shows the wavelength of light that is normally incident on and transmitted through a refractive medium. The index of refraction of this medium is The figure shows the wavelength of light that is normally incident on and transmitted through a refractive medium. The index of refraction of this medium is

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The index of refraction of plate glass is 1.50. The polarizing angle for light incident from air is

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  In a double-refracting (birefringent) crystal, the e ray is polarized with respect to the o ray at an angle of In a double-refracting (birefringent) crystal, the e ray is polarized with respect to the o ray at an angle of

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   When a ray of light traveling in air is incident at  \theta = 50º on a plane-parallel slab of glass as illustrated, the light ray When a ray of light traveling in air is incident at θ\theta = 50º on a plane-parallel slab of glass as illustrated, the light ray

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Huygens' theory for the construction of wavefronts states that

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Ultra fast pulse lasers can emit pulses of the order 10 fs. The length of each pulse that is 10 fs long is

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Use the following figure for the next two problems. Use the following figure for the next two problems.   -An object leaves point A and travels to point B via path a. In region I, the speed is 100 m/s while in region II, the speed is 71 m/s. How long does it take for the object to go from A to B? -An object leaves point A and travels to point B via path a. In region I, the speed is 100 m/s while in region II, the speed is 71 m/s. How long does it take for the object to go from A to B?

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Use the following figure for the next two problems. Use the following figure for the next two problems.   -An object leaves point A and travels in a straight line to point B via path b. In region I, the speed is 100 m/s while in region II, the speed is 71 m/s. How long does it take for the object to go from A to B? -An object leaves point A and travels in a straight line to point B via path b. In region I, the speed is 100 m/s while in region II, the speed is 71 m/s. How long does it take for the object to go from A to B?

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A light wave traveling in air impinges on an amber plate at an angle of incidence of 60º. If the angle of refraction is 34º, the velocity of light in amber must be approximately

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A light wave in air strikes a glass plate 1 cm thick at an angle of incidence of 50.0º. If the index of refraction of the glass is 1.50 for this light, the actual path length of the light through the glass is approximately

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In any wave motion, dependence of velocity on wavelength is called

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Use the following figure for the next two problems. Use the following figure for the next two problems.   -The film shows the line spectrum of an unknown element. If the wavelengths of lines (a), (b) and (c) are 410 nm, 500 nm and 556 nm respectively, then the wavelength for line (d) is -The film shows the line spectrum of an unknown element. If the wavelengths of lines (a), (b) and (c) are 410 nm, 500 nm and 556 nm respectively, then the wavelength for line (d) is

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The wavelength light that has of a photon energy of 4.25 eV is

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The energy of an electromagnetic wave that is in the red region of the visible spectrum is approximately

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A column of liquid is 10 cm high. Viewed from above the liquid has an apparent depth of 6.77 cm. If the refractive index of the liquid is 1.33 at the top and increases uniformly to the bottom, then what is the refractive index at the bottom of the liquid?

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  Light travels in a medium of index of refraction n', passes into a medium of index n, where n > n', and then into air, where n<sub>air</sub> < n' < n. The ray that correctly shows the light path is Light travels in a medium of index of refraction n', passes into a medium of index n", where n" > n', and then into air, where nair < n' < n". The ray that correctly shows the light path is

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  A ray of light is shown reflected and refracted at the surface of a liquid. From the diagram you can determine that the speed of light in this liquid is approximately A ray of light is shown reflected and refracted at the surface of a liquid. From the diagram you can determine that the speed of light in this liquid is approximately

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