QuizWk3Soln - Name Section Physics 208 Week 3 Quiz Refraction and lenses 1 The index of refraction of a kind of glass is 1.5 What is the speed of light

QuizWk3Soln - Name Section Physics 208 Week 3 Quiz...

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Name _____________________________________ Section ___________ Physics 208: Week 3 Quiz Refraction and lenses 1. The index of refraction of a kind of glass is 1.5. What is the speed of light in the glass? (the speed of light in vacuum is 3x10 8 m/s). v glass = v vacuum / n glass = c / n glass = 3 " 10 8 m / s 1.5 = 2 " 10 8 m / s 2. A light beam in a medium with index n =1 is incident as shown on a medium with index n =1.5. Which drawing correctly shows the path of the transmitted light? 3. You hold an 0.2 m focal length lens 2 m away from a wall to project an image of your ipod’s screen on the wall. At what distance from the lens should you hold your ipod
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  • Spring '08
  • Rzchowski
  • Physics, Light, object distance, focal length lens

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