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A sound source sends waves of frequency 400 Hz and 2.5 m wavelength. What will be the speed of sound waves?1. 1000 m / s2. 10000 m / s3. 100 m / s4. 10 m / s |
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Answer» Correct Answer - Option 1 : 1000 m / s The correct answer is 1000 m /s.
Speed = wavelength x frequency.
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