Half-Round Slabs of Glass or Plastic Are Often Used to Trace

question 38

Multiple Choice

Half-round slabs of glass or plastic are often used to trace rays. Pins are placed at points P and Q. For an observer to see the images of the pins in line, she should place her eye at point

• A) 1.
• B) 2.
• C) 3.
• D) 4.
• E) 5.

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