Class 9 · Physics · Ch 10

Motion, Force, Work and Sound

Sound Waves: Characteristics and Applications

23 board marks Moderate ~6h to learn

Not started

8 concepts to cover

8 concepts

Production of sound by vibrationPropagation as longitudinal wavesCompressions and rarefactionsFrequency, amplitude, wavelength, speedPitch, loudness and qualityReflection of sound, echo and reverberationRange of hearingUltrasound and SONAR applications

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