IntroductionSimple PendulumLaws of Simple PendulumWave MotionTransverse WavesLongitudinal WavesRelation among Frequency (n), Time Period (T) and Wavelength (λ)SoundExperiment to Verify that Vibrating Bodies Produce SoundTransmission of SoundMusic and NoiseMusical InstrumentsPractice QuestionsAnswer KeysHints and Explanations