Define time period of sound wave.
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Time period of vibration - definition
The time taken to complete one vibration in the density of the medium is called the time period of the sound wave. It is represented by the symbol T. Its SI unit is second (s).
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Explanation:
- T is the time it takes for one complete oscillation , it is measured in seconds. All waves, including sound waves and electromagnetic waves , follow this equation. For example, a wave with a time period of 2 seconds has a frequency of 1 ÷ 2 = 0.5 Hz. A sound wave has a time period of 0.0001 seconds.
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- These particle-to-particle, mechanical vibrations of sound conductance qualify sound waves as mechanical waves. Sound energy, or energy associated with the vibrations created by a vibrating source, requires a medium to travel, which makes sound energy a mechanical wave
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