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Chapter 34: Ray Optics

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Pages: 960 - 994

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103 Questions for Chapter 34: Ray Optics

  1. When you look at your reflection in the bowl of a spoon, it is upside down. Why?

    Found on Page 989
  2. Suppose you have two pinhole cameras. The first has a small round hole in the front. The second is identical except it has a square hole of the same area as the round hole in the first camera. Would the pictures taken by these two cameras, under the same conditions, be different in any obvious way? Explain.

    Found on Page 989
  3. A point source of light illuminates an aperture 2.0maway. A 12.0-cm-wide bright patch of light appears on a screen 1.0mbehind the aperture. How wide is the aperture?

    Found on Page 990
  4. A laser beam in air is incident on a liquid at an angle of 53∘ with respect to the normal. The laser beam's angle in the liquid is 35∘. What is the liquid's index of refraction?

    Found on Page 990
  5. You see an upright, magnified image of your face when you look into a magnifying cosmetic mirror. Where is the image? Is it in front of the mirror's surface, on the mirror's surface, or behind the mirror's surface? Explain.

    Found on Page 989
  6. You see an upright, magnified image of your face when you look into a magnifying cosmetic mirror. Where is the image? Is it in front of the mirror's surface, on the mirror's surface, or behind the mirror's surface? Explain.

    Found on Page 989
  7. A1.0-cm-thick layer of water stands on a horizontal slab of glass. A light ray in the air is incident on the water60°from the normal. What is the ray’s direction of travel in the glas

    Found on Page 990
  8. II A costume jewelry pendant made of cubic zirconia is submerged in oil. A light ray strikes one face of the zirconia crystal at an angle of incidence of25°. Once inside, what is the ray's angle with respect to the face of the crystal?

    Found on Page 990
  9. An underwater diver sees the sun50°above horizontal. How high is the sun above the horizon to a fisherman in a boat above the diver?

    Found on Page 990
  10. The glass core of an optical fiber has an index of refraction1.60. The index of refraction of the cladding is1.48. What is the maximum angle a light ray can make with the wall of the core if it is to remain inside the fiber?

    Found on Page 990

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