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Ch 15 Practice Problem Answers

Snell's Law -  15A

  1.  1.7

  2.  1.53

  3.  15 degrees, 23 degrees

  4.  1.31

  5.  6.0 x 1010 Hz < f < 15 x 1010Hz

  6.  30,28, and 26 degrees

 

Lenses - 15B

  1.  M = 4.0

  2.  h = 5.0

  3.  p = 13 cm q = -6.84 cm

  4.  p = 70.0 m

  5. h = 28.4 cm

  6.  p = 4.5 x 10-2 m, q = -0.18m

  7.  q = 0.292m, M = -9.73 x 10-2

  8.  q = -3.86m, h = 6.99m

  9.  q = -0.144m, h' = 0.0360m

  10.  f = 0.20 m

  11.  f = 0.18m, Inverted

  12.  f = 0.85 m

 
Critical Angle - 15C

 

  1.  nr = 1.1

  2.  nr = 2.44, Critical angle = 24.2 degrees

  3.  ni = 1.49

  4.  Critical angle = 58.7 degrees

  5.  Critical angle = 41.1 degrees, d = 0.0320 mm