Review for Test

1
Review for Test 2

• Responsible for - Chapters 37 and 38
  (and 35, 36, 34.60) - Notes from class -
  Problems worked in class - Homework
  assignments
• Test format - 18 multiple-choice problems
  (5.56 points each) - 2 bonus problems (5 points
  each) - Time 75 minutes
• Test materials - Pencil, eraser, and
  non-programmable calculator - No formulae
  sheet or paper all provided - Closed textbook
  and notes

2
Material Covered

• Chapters 37 Interference of Light Waves -
  Superposition of waves, path difference -
  Youngs double experiment, bright dark
  fringes - Intensity distribution - Phasor
  addition, phasor diagrams - Phase change by
  reflection - Thin films, interferometers
• Chapter 38 Diffraction and Polarization -
  Single slit diffraction, dark fringes,
  intensity - Resolution of single slits, circular
  apertures - Diffraction gratings, resolving
  power - X-ray diffraction of crystals -
  Polarization of light rays, methods -
  Brewsters angle

Scores available by the following Tuesday
3
Example Problem 38.47
How far above the horizon is the Moon when its
image reflected in calm water is completely
polarized? (Take n1.33 for water).