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2 cards from this section. Quick, good the night before a test.
What type of wave requires a medium to travel?
Think about how sound travels.
What is it called when waves move with the medium?
These waves have compressions and rarefactions.
Which type of wave does not require a medium?
Think about how light travels in space.
True or False: All waves travel at the same speed.
Consider how sound travels in air versus water.
A sound wave travels with a frequency of 440 Hz and a wavelength of 0.77 m. Calculate the speed of the sound wave.
Substitute the known values into the wave speed formula.
If you double the frequency of a wave, what happens to the wavelength? Explain the relationship.
Think about how one affects the other in the wave speed equation.
4 more questions in this section. Enroll free to practise them all.
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