Light and Sound

Select a chapter above and press 'Show Content'. Click a video topic below to view.

    Chapter 6 Light and Sound ( 14 videos)  (Practice Test)

      6.1: Sources of Light (Practice Test)
      Sources of Heat and light and Methods of Producing Heat
    1. Sources of Heat and light and Methods of Producing Heat
      2. Light Travels in Straight Line
    2. Light Travels in Straight Line
      6.2: Luminous and Non-Luminous Objects
      Luminous and Non-luminous Objects
    1. Luminous and Non-luminous Objects
      6.3: Transparent, Opaque and Translucent Objects
      Transparent, Opaque And Translucent Objects
    1. Transparent, Opaque And Translucent Objects
      6.4: Light Travels in Straight Lines
      Light Travels in Straight Line
    1. Light Travels in Straight Line
      6.5: Formation of Shadows
      Light and Shadow
    1. Light and Shadow
      2. Size of Shadow With The Position of Sun
    2. Size of Shadow With The Position of Sun
      6.6: Reflection of Light
      Shiny Surfaces Reflect Light Better Than Dull Surfaces
    1. Shiny Surfaces Reflect Light Better Than Dull Surfaces
      6.7: Sound
      Production and Propagation of Sound
    1. Production and Propagation of Sound
      6.8: Speed of Sound In Different Materials
      Medium for Sounds to Travel
    1. Medium for Sounds to Travel
      6.9: Intensity of Sound (Practice Test)
      Sound Can Travel Through Gases, Liquids And Solids
    1. Sound Can Travel Through Gases, Liquids And Solids
      2. Pitch and Intensity of Sound
    2. Pitch and Intensity of Sound
      6.10: Noise and its Effects on Human Health
      Noise, Its Sources And Effects On Human Health
    1. Noise, Its Sources And Effects On Human Health
      6.11: Controlling Noise Pollution
      How to Reduce Noise Pollution
    1. How to Reduce Noise Pollution