Sound

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    Chapter 8 Sound ( 4 videos)

      8.1: How is Sound Produced
      How is Sound Produced?
    1. How is Sound Produced?
      8.2: Medium for Sound To Travel Through
      Medium for Sounds to Travel
    1. Medium for Sounds to Travel
      8.3: Pleasant and Unpleasent Sounds
      Pleasant and Unpleasant Sounds
    1. Pleasant and Unpleasant Sounds
      8.4: Measures to Reduce and Control Noise Pollution
      How to Reduce Noise Pollution
    1. How to Reduce Noise Pollution