Ch24 HW5 - Ch24 HW5 F2010 12/17/10 9:39 PM WebAssign Ch24...

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12/17/10 9:39 PM Ch24 HW5 F2010 Page 1 of 3 http://www.webassign.net/v4cgisacoreth@ncsu/student.pl?t=20101218023851sacoreth@ncsu6657124101 Current Score : 11 / 11 Due : Wednesday, December 1, 2010 11:25 AM EST 1. 1/1 points Question: MI3 24.7.X.052 The index of refraction of a particular liquid is 1.25 . At what speed would a wave crest in a beam of light travel through this medium? 2.4e8 2.40e+08 m/s Solution or Explanation v = c/n 2. 1/1 points Question: MI3 24.8.X.053 If a diver who is underwater shines a flashlight upward, toward the surface, at an angle of 30 degrees from the normal, at what angle does the light emerge from the water? 41.667 41.7 degrees Indices of refraction: water: 1.33; air: 1.00029 3. 1/1 points Question: MI3 24.8.X.054 If a beam of light from a medium with a higher index of refraction emerges into a medium with a lower index of refraction, what happens? 4. 3/3 points Question: MI3 24.8.P.057 Ch24 HW5 F2010 (Homework) Stefan Coreth PY 208, section 002M, Fall 2010
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Ch24 HW5 - Ch24 HW5 F2010 12/17/10 9:39 PM WebAssign Ch24...

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