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3 cards from this section. Quick, good the night before a test.
What medium do sound waves travel fastest in?
Think about what is denser: solid, liquid, or gas.
What happens to the sound when you strike a tuning fork?
Consider how the object changes when struck.
What is the frequency range of human hearing?
Consult the frequency table we discussed.
True or False: Sound can travel in a vacuum.
Consider what a medium is and why it's necessary for sound.
A student measures the time it takes for a sound wave to travel 200 meters and return in 0.6 seconds. Calculate the speed of sound based on this data.
Remember, the time is for a round trip!
You have two strings of the same length but different materials—one is thick, and the other is thin. Predict which one will transmit sound better and why.
Consider how tension and mass impact vibrations.
6 more questions in this section. Enroll free to practise them all.
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