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CBSE Class 9 Science Chapter 12 Sound
Topics Covered In Chapter Sound
Production Of Sound
Propagation Of Sound
Sound Needs A Medium To Travel
Sound Waves Are Longitudinal Waves
Characteristics Of A Sound Wave
Speed Of Sound In Different Media
Reflection Of Sound
Echo
Reverberation
Uses Of Multiple Reflection Of Sound
Range Of Hearing
Applications Of Ultrasound
Sonar
Structure Of Human Ear
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