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5 lessons • 1h 3m

Overview (in Bengali)

3m 02s

Introduction of Sound Wave and its Classifications on the Basis of Frequency Range (in Bengali)

15m 00s

Depending and Non Depending Factors to the Speed of Sounds and Diagram of a Wave (in Bengali)

15m 00s

Distinguish between Two Sound Wave on the Basis of their Nature of Propagation (in Bengali)

15m 00s

Concepts of Echo : Reverberation, Resonance and Important One Liners (in Bengali)

15m 00s

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