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# Carnegie Physics I

### Units and Parameters of Sound

Question | Answer |
---|---|

Corresponding units for Wavelength | millimeters |

Corresponding units for Propagation speed | meters/sec |

Corresponding units for Frequency | Hertz |

Corresponding units for Period | Second |

Corresponding units for Intensity | Watts/cm2 |

Corresponding units for Power | Watts |

True or false: The wavelength can be changed by the operator. | False |

True or false:The propagation speed can be changed by the operator. | False |

True or false:The intensity can be changed by the operator. | True |

True or false: A wave with a frequency of 15,000MHz is ultrasonic | True |

True or false: Sound is a transverse, longitudinal wave. | False |

True or false: Propagation speed decreases as frequency increases | False |

What is the corresponding unit of measure for: Pressure? | Pascals |

What is the corresponding unit of measure for: Density? | kg/cm3 |

What is the corresponding unit of measure for: Temperature? | Celsius |

What is the length of time it takes to complete a single cycle? | Period |

The number of certain events that occur in a specific duration of time. | Frequency |

Equals the difference between the average value and the maximum value of an acoustic variable. | Amplitude |

Relates to the strength of the sound wave. (The rate at which the work is performed.) | Power |

The concentration of energy in a sound beam. | Intensity |

The distance sound travels in one complete cycle. | Wavelength |

The speed of sound as it moves through a particular medium | Propagation Speed |

Frequency can be described as: | High or low |

Time or period can be described as: | Long or short |

Rate can be described as: | Fast or slow and High or low |

Wavelength can be described as: | Long or short |

Power and intensity can be described as: | High or low |