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10 Cards in this Set
- Front
- Back
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propagate |
to transmit ( something such as sound or light ) through a medium |
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astronaut |
a person who travels beyond the earth's atmosphere |
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prongs |
parts of tunning fork |
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frequency |
the number of times something happen in a particular period |
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sequential |
following order |
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slit |
a long narrow cut or opening |
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decibel |
unit for measurement of sound or degree of loudness of sound |
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rarefaction |
a state or region of minimum pressure in a medium traversed by compressional waves ( such as sound waves) |
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compression |
conversion of communication signal in order to reduce the space occupied or bandwidth required |
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sound |
vibrations that travel through air medium and can be heard when they reach |
