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Sound

Curriculum

  • 1 Section
  • 41 Lessons
  • 96 Weeks
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  • Sound
    41
    • 2.1
      Introduction
    • 2.2
      Objectives
    • 2.3
      Vibrating tuning fork
    • 2.4
      How is sound produced
    • 2.5
      Sound by different objects
    • 2.6
      Sources of sound
    • 2.7
      Vibrations
    • 2.8
      Sound is produced by vibrations
    • 2.9
      Longitudinal waves
    • 2.10
      Sound mades medium to travel
    • 2.11
      Give reason
    • 2.12
      Sound wave
    • 2.13
      Activity to understand sound wave travel through
    • 2.14
      Sound can travel through hard surface
    • 2.15
      Sound needs travel through a medium
    • 2.16
      Transverse wave
    • 2.17
      Characteristic of a sound wave
    • 2.18
      Loudness
    • 2.19
      Activity to understand vibration
    • 2.20
      About vibration
    • 2.21
      Questions
    • 2.22
      Frequency
    • 2.23
      Graphs
    • 2.24
      Second graph
    • 2.25
      Lowest frequency sound
    • 2.26
      Sound wave
    • 2.27
      Waveform
    • 2.28
      Time period
    • 2.29
      Speed of sound in different media
    • 2.30
      Supersonic speeds
    • 2.31
      Reflection of wave
    • 2.32
      Echo
    • 2.33
      Reverberation
    • 2.34
      Musical instruments
    • 2.35
      Range of hearing
    • 2.36
      Hearing aid
    • 2.37
      Application of ultrasound
    • 2.38
      Sonar
    • 2.39
      Ultrasonic waves
    • 2.40
      Stucture of human ear
    • 2.41
      Summary
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Sound wave
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