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In this lesson, we will learn how to use the wave speed formula, s = fΞ», to calculate the movement of waves of different frequencies and wavelengths.
Q1:
Which of the following formulas correctly shows the relation between the frequency, the speed, and the wavelength π of a wave?
Q2:
A sound wave in a particular object has a frequency of 260 Hz and a wavelength of 2.5 m. At what speed does the sound wave propagate in that object?
Q3:
What is the frequency of the wave shown in the diagram?
Q4:
A sound wave in a particular object propagates at 960 m/s and has a frequency of 8 0 0 0 Hz. What is the wavelength of the sound wave in that object?
Q5:
Q6:
A wave is shown in the diagram. What is the frequency of the wave if its speed is 150 m/s?
Q7:
A pier stretches from the coastline out into the sea a distance of 180 m. Waves on the sea move past the pier as they head toward the shore. The distance between the crests of the waves is 15 m, and the wave crests travel from the end of the pier to the shore in 24 seconds. What is the frequency of the waves?
Q8:
A sound wave in a particular object propagates at 4,670 m/s and has a wavelength of 0.75 m. What is the frequency of the sound wave, to the nearest Hz?
Q9:
A wave is shown in the diagram. What is the wavelength of the wave if its speed is 360 m/s?
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