level: Module #14
Questions and Answers List
level questions: Module #14
| Question | Answer |
|---|---|
| Transverse wave | A wave with a direction of propagation that is perpendicular to its direction of oscillation. |
| Longitudinal wave | A wave with a direction of propagation that is parallel to its direction of oscillation. |
| Equation 14.1 | f=v/wavelength |
| Equation 14.2 | v=(331.5 + 0.6 x T)m/sec |
| Supersonic speed | Any speed that is faster than the speed of sound in the substance of interest |
| Sonic boom | The sound produced as a result of an object traveling at or above Match 1 |
| Pitch | An indication of how high or low a sound is, which primarily determined by the frequency of the sound wave. |
| Crests | The highest points on a wave. |
| Troughs | The lowest points of a wave. |
| Wavelength | The distance between the crests or troughs. |
| Amplitude | The hight of the wave. |
| Frequency | How many waves hit a certain point every second. |
| Is sound a longitudinal wave? | Yes it is. |
| Sound waves with low pitch have what? | They have low frequency. |
| Sound waves with high pitch have what? | They have high frequency. |
| Does the amplitude of a sound wave govern how loud it is? | Yes it does. |