Dekalb Reads Assignment 11.3
WAVE INTERACTIONS
Read page 374- 380 and answer the questions.
- What happens when light waves strike a shiny surface?
- Define reflection.
- Waves reflect at ___________________________________.
- At a fixed boundary, waves reflect and ____________________.
- What law is followed when the wave on a rope hits a wall.
- Define diffraction.
- What happens to the waves when they pass the edge of an object or pass through an opening?
- Waves can also bend by ____________________________.
- Look at figure 11-8. Why does the spoon look like it is in two pieces?
- Define refraction.
- Define interference.
- Waves in the same place combine to produce a ________________________.
- How can you draw the resulting wave, on a graph, formed by the interference of two waves?
- In constructive interference amplitudes are ________________________.
- Define constructive interference.
- In destructive interference amplitudes are __________________________.
- Define destructive interference.
- Interference of light waves creates ______________________.
- Why does a bubble produce swirling rainbow effect?
- Interference of sound waves produces ___________________.
- Series of loud and soft sounds is called ________________________.
- Pitch of the string’s vibration is also called _________________________________.
- Interference can cause ______________________.
- Define standing wave.
- _________________________ can have only certain wavelengths.
- Define nodes.
- Define antinodes.
- When can standing waves exist?