write all formulas of class 9th science
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Velocity = Wavelenght × Frequency
Velocity = Frequency × Wavelengh
Velocity = (1/Time) × Wavelengh
For Echo:
2 × Distance / Time = Speed of sound
hope this will help you to solve the equations of chapter sound..
Velocity = Frequency × Wavelengh
Velocity = (1/Time) × Wavelengh
For Echo:
2 × Distance / Time = Speed of sound
hope this will help you to solve the equations of chapter sound..
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