Light and Sound

Federal Board > Class 5 > General Science (Total Videos: 123)

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Chapter 6: Light and Sound (15 videos)   (Practice Test)
6.1: Luminous and Non Luminous Objects(Practice Test)
  1. Sources of Heat and light and Methods of Producing Heat
  2. Luminous and Non-luminous Objects
6.2: Transparent, Opaque and Translucent Objects
  1. Transparent, Opaque And Translucent Objects
6.3: Light Travels in Straight Line(Practice Test)
  1. Light Travels in Straight Line
  2. Light and Shadow
  3. Size of Shadow With The Position of Sun
  4. Shiny Surfaces Reflect Light Better Than Dull Surfaces
6.4: Sound(Practice Test)
  1. Sounds
  2. How is Sound Produced?
6.5: Propagation of Sound
  1. Production and Propagation of Sound
6.6: Speed of Sound in Different Materials(Practice Test)
  1. Medium for Sounds to Travel
  2. Sound Waves Travel Through Solids, Liquids and Gases
6.7: Intensity of Sound(Practice Test)
  1. Pitch and Intensity of Sound
  2. Noise, its Sources, and Effects on Human Health
  3. How to Reduce Noise Pollution?
 

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