NCERT CLASS IX - Science Textbook
Chapter 12 - Sound
What are wavelength, frequency, time period and amplitude of a sound wave?
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Wavelength - The wavelength is defined as the linear distance between two consecutive particles which are exactly at the same phase of motion.
Frequency - The number of complete oscillations made by a wave particle in one second is called the frequency of wave.
Time period - The time taken for a wave particle to make one complete oscillation is called time period of the wave.
Amplitude - The maximum displacement of a wave particle from the rest position is called the amplitude of the wave.
Frequency - The number of complete oscillations made by a wave particle in one second is called the frequency of wave.
Time period - The time taken for a wave particle to make one complete oscillation is called time period of the wave.
Amplitude - The maximum displacement of a wave particle from the rest position is called the amplitude of the wave.
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