Practice Harmonic Wave Solution (1.3) - Non-Dispersive Transverse and Longitudinal Waves in 1D & Introduction to Dispersion

Practice: Harmonic Wave Solution

Lesson 1.3Non-Dispersive Transverse and Longitudinal Waves in 1D & Introduction to Dispersion

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10 questions

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4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
Define amplitude in the context of wave motion.
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Think about the highest point a wave reaches.
Question 2.
What is the formula for wave speed?
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Consider how frequency and wavelength relate to speed.
3Question 3.
What is the wave equation for harmonic motion?
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Think of the basic wave equation and its components.
4Question 4.
True or False: The wave speed decreases with an increase in wavelength.
- True
- False
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Consider how wavelength is defined.
Question 5.
A harmonic wave is described by the function y(x,t) = 3 sin(4x - 2t + π/3). Determine its wave speed, wave number, and frequency.
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Break down the components from the wave equation to find the necessary values.
Question 6.
If a wave has a wavelength of 5 m and a wave speed of 10 m/s, what is its frequency?
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Think about how to rearrange the speed equation to isolate frequency.

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