The average speed of sound is 343 m/s. If a wavelength of a certain sound is 1.3 m, what is the frequency of that sound? The av

Question

The average speed of sound is 343 m/s. If a wavelength of a certain sound is 1.3 m, what is the frequency of that sound?

The average speed of sound is 343 m/s. If a pitch is heard at 500 Hz, what is the wavelength of that sound?

What is the wavelength of a wave if it moves at 100 m/s and has a frequency of 33 Hz?

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Thiên Hương 5 years 2021-09-04T23:02:57+00:00 1 Answers 25 views 0

Answers ( )

  1. hongcuc2
    0
    2021-09-04T23:04:15+00:00
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    Explanation:

    (A) Speed of sound is 343 m/s

    Wavelength of a sound wave is 1.3 m

    Frequency,

    f=\dfrac{v}{\lambda}\\\\f=\dfrac{343}{1.3}\\\\f=263.84\ Hz

    (B) The average speed of sound is 343 m/s.

    Pitch of the sound is 500 Hz

    Wavelength,

    \lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{343}{500}\\\\\lambda=0.68\ m

    (C) Speed of wave is 100 m/s

    Frequency of wave is 33 Hz

    Wavelength,

    \lambda=\dfrac{v}{f}\\\\\lambda=\dfrac{100}{33}\\\\\lambda=3.03\ m

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