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प्रश्न
What are wavelength, frequency, time period and amplitude of a sound wave?
टीपा लिहा
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उत्तर
- Wavelength:- The distance between two consecutive compressions or two consecutive rarefactions is known as the wavelength. Its SI unit is metre (m).
- Frequency:- The number of complete oscillations per second is known as the frequency of a sound wave. It is measured in hertz (Hz).
- Time Period:- The time taken by two consecutive compressions or rarefactions to cross a fixed reference point is called the time period (T) of the wave.
- Amplitude:- The maximum height reached by the crest or trough of a sound wave is called its amplitude
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