What is the frequency of a sound wave having a velocity of 341 meters/second and a wavelength of 0.8 meters? 426 hertz 400 hertz 800 hertz 210 hertz

1 Answer
Junaid Mirza
Jun 6, 2018

#"426 Hz"#

Explanation:

Velocity (#"v"#), Frequency (#f#) and wavelength (#λ#) are related as

#"v" = f λ#

From above

#f = "v"/λ"#

#color(white)(f) = "341 m/s"/"0.8 m"#

#color(white)(f) = 426.25\ "Hz" ≈ "426 Hz (in 3 sig. fig)"#

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