Chapter 11-12 Study Guide

1. Know your vocab from the Ch 11-12 Crossword Puzzle.
2. What causes waves?
3. Which waves require a medium? Which do not?
4. Name the three types of waves and how each affects the medium through which they pass.
5. Name the four basic properties of all waves.
6. Draw a transverse wave diagram including labels.
7. Draw a longitudinal wave diagram including labels.
8. If a wave travels 62m in 8s, calculate its speed. SHOW WORK!
9. If a wave has a wavelength of 20cm and its frequency is 5.6 Hz, calculate its speed. SHOW WORK!
10. If a wave’s wavelength is 1.6m and its speed is 23 m/s, calculate its frequency. SHOW WORK!
11. If a wave’s frequency is 36 Hz and its speed is 30 cm/s, calculate its wavelength. SHOW WORK!
12. Write the Law of Reflection.
13. What is the difference between reflection and refraction?
14. Why does refraction happen?
15. Draw the two types of diffraction.
16. Draw the two types of interference.
17. What 3 conditions must be met for two waves to interfere?
18. Draw a standing wave including labels.
19. Fill in the following concerning the Doppler Effect using wavelength, pitch, frequency, speed.

	Increases	Decreases	Stays the same
As a source of sound moves toward a listener
As a source of sound moves away from a listener

20. What are the two types of reflection? How are they different?
21. Fill in the following.

	Shape	Image formed
Plane mirror
Concave mirror
Convex mirror
Concave lens
Convex lens

22. Describe what color is seen in each…
1. A lemon in blue light
2. A lemon in yellow light
3. A strawberry in red light
4. A strawberry in blue light

23.Black objects __________________________ all light rays

White objects __________________________ all light rays.