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Ch 14 Practice Problem Answers

Electromagnetic Waves -  14A

  1.  1.80 x 102 wavelengths

  2.  347 wavelengths

  3.  1.25 cm

  4.  2.5 x 1014Hz

  5.  6.0 x 1010 Hz < f < 15 x 1010Hz

  6.  3.00 x 107m

 

Concave Mirrors - 14B

  1.  7.69 x 105m M = -2.08

  2.  M = 24.6

  3.  p = 37.5 m

  4.  p = 5.85 Image is virtual and therefore upright

  5.  h' = -66m Image is inverted and real

  6.  q = 0.333m  h' = -0.166 Image is real

  7.  R = 0.800m

  8.  R = 25.4m

 
Convex Mirrors - 14C

 

  1.  h' = 2.86x104 m

  2.  M = 9.78 x 10-2

  3.  q = -1.49 x 104m

  4.  p = 28m

  5.  R = -7.89 x 10-2 m

  6.  q = -61.6 x 10-2m

  7.  f = -50.4 x 10-2m