Question

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Waves Unit Test
Waves Unit Test
The formula vv = f. describes the relationship between the speed of a wave (vw), and its frequency (f) and wavelength (A).
For example, if a wave has a frequency of 120 Hz and a wavelength of 5m, it would have a speed of 600 m/s.
In one or two sentences, describe what would happen to the frequency of this wave if the wavelength is increased to 10m but the
speed stays the same at 600 m/s.
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Short Answer Rubric (2 points)

Answer 1

From the relationship between wavelength and frequency, the frequency of the wave is reduced by half to 60 Hz as the wavelength is increased twice to 10 m at constant speed.

What is the relationship between wavelength, velocity and frequency of a wave?

The velocity, frequency and wavelength of a wave are related by the formula given below:

• v = fλ

where

• v is velocity
• f is frequency
• λ is wavelength of the wave

From the above relationship:

If the wavelength of a wave is increased to 10m but the speed stays the same at 600 m/s, the frequency can be calculated as follows:

f = v/λ

f = 600/10

f = 60 Hz

Therefore, the frequency of the wave is reduced by half as the wavelength is increased twice at constant speed.

Learn more about frequency and wavelength of a wave at: brainly.com/question/4386945