Physics, asked by monuamitcool4788, 1 year ago

all formulaes of sound class 9

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Answered by akhileshlaliya6397

3

Formulas of sound : (i) Echo. Speed of echo = ( 2 × distance between surface and source ) / time. (ii) V = f λ. where V = velocity of wave ,.

Answered by prachi1523

2

these are some formula ..

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