Terms & Definitions - Module 19
Match the following definitions (or descriptions) to the terms listed below them.

1. Unit of frequency. Number of vibrations per second.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

2. Maximum displacement on either side of the midpoint position for a wave.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

3. A wave traced by simple a swinging pendulum as a function of time.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

4. The distance between successive crests of a wave.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

5. The time taken by a wave to complete one vibration.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

6. The number of vibrations per unit time.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

7. The medium vibrates in a direction parallel to the direction of motion of this wave.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse wave
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

8. The medium vibrates in a direction perpendicular to the direction of motion of this wave.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse wave
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

9. The product of wavelength and frequency of a wave.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

10. V-shaped disturbance created by a boat travelling on water at a speed greater than the wave speed.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

11. When two identical waves move through a medium in opposite directions, a stationary wave pattern can be formed.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

12. When the source of a sound moves towards an observer, the frequency of the sound shifts upwards.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

13. When different waves are superposed, regions of reinforcement and other regions of cancellation are formed.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

14. A loud sound that we hear when a shock wave hits our ear.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom

15. When a plane flies at supersonic speed, a cone-shaped pressure wave is created in the air. This pressure wave travels with and behind the plane.
1. Sine curve
2. Amplitude
3. Wavelength
4. Frequency
5. Hertz
6. Period
7. Wave speed
8. Transverse speed
9. Longitudinal wave
10. Interference pattern
11. Standing wave
12. Doppler effect
13. Bow wave
14. Shock wave
15. Sonic boom