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# ← Chapter 6 Wave EnergyTest

### Question Limit

of 29 available terms

### 5 Matching Questions

1. What is amplitude?
2. How fast does sound travel through steel?
3. What is noise?
4. Is the velocity of an electromagnetic wave in a vacuum equal to the speed of light?
5. What happens when an electromagnetic wave hits matter?
1. a Yes, regardless of wavelength or frequency
2. b There will either be transmission, absorption, or scattering
3. c the volume of a wave
4. d ~5000 m/s
5. e Irregular vibrations

### 5 Multiple Choice Questions

1. water waves, sound waves and the waves that travel along a spring or rope are mechanical waves. Newton's laws govern the motion of mechanical waves
2. 20Hz-20,000Hz
3. perpendicular to one another and at the speed of light 3x10^8 m/s
4. Crests, troughs, wavelength, and frequency
5. the highest point in a wave

### 5 True/False Questions

1. Is a medium needed for electromagnetic waves?No

2. In sound waves, what is the frequency equivalent to?the pitch

3. What is music?sustained notes - repeated vibrations

4. Electromagnetic waveslight waves, radio waves, and xrays are examples of electromagnetic waves

5. What things produce sound waves?Strings of violins or pianos, or human vocal chords