1. Speed of Sound, Transmission of Light and Pinhole Camera

2. Albert Michelson O Michelson’s Experiment is described on page 372.

3. Albert Michelson O These are the calculations he performed.

4. Albert Michelson

6. Speed of Light O

7. The Pinhole Camera The pinhole camera, or “camera obscura” was invented in the 16 th century. The image in the camera was created as shown in the diagram below. Note its characteristics. Image Characteristics can be: Type: Real, Virtual Size: Same, Smaller or Larger Attitude: Inverted or vertically erect

8. The Pinhole Camera O

9. O

10. Pinhole Camera O Work on Questions: O Q 1, 3 P 376 O Q 17, 20 P 391