Sound - Class 9 Science Chapter 11 [Full Chapter]

in this video we are studying class 9 science chapter 11 sound. in this chapter we have to study concepts related to sound like production of sound, propagation of sound, reflection of sound, echo, reverberation, multiple reflection of sound, infrasound and ultrasound, uses of ultrasound.

Sound - Class 9 Science Chapter 11 [Full Chapter]

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Class 9 Science all 12 chapters के notes एक साथ खरीदने के लिए 8987813994 पर Whatsapp करें |
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Class 9 Science all chapter Notes को खरीदने के लिए नीचे दिए गए Download लिंक पर क्लिक करें-

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