Light and Sound

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    Chapter 5 Light and Sound ( 11 videos)

      5.1: Luminous and Non-Luminous Objects
      Sources of Heat and light and Methods of Producing Heat
    1. Sources of Heat and light and Methods of Producing Heat
      2. Luminous and Non-luminous Objects
    2. Luminous and Non-luminous Objects
      5.2: Transparent, Opaque and Translucent Objects
      Transparent, Opaque And Translucent Objects
    1. Transparent, Opaque And Translucent Objects
      5.3: Sound
      Production and Propagation of Sound
    1. Production and Propagation of Sound
      5.4: Propagation of Sound
      Production and Propagation of Sound
    1. Production and Propagation of Sound
      5.5: Speed of Sound In Different Materials
      Medium for Sounds to Travel
    1. Medium for Sounds to Travel
      5.6: The Human Ear
      Structure of Ear
    1. Structure of Ear
      5.7: Intensity of Sound
      Pitch and Intensity of Sound
    1. Pitch and Intensity of Sound
      2. Noise, Its Sources And Effects On Human Health
    2. Noise, Its Sources And Effects On Human Health
      3. Pleasant and Unpleasant Sounds
    3. Pleasant and Unpleasant Sounds
      4. How to Reduce Noise Pollution
    4. How to Reduce Noise Pollution