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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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How many meters per second does sound travel in air? |
300m/s in air |
Little fact: sound speed in water is faster than in air. Also the air one starts with 3. |
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What are the two types of waves? |
Longitudinal and transverse |
Idk any hints just try I guess |
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What is superposition? |
When two or more waves merge together and interfere. Basically it gets bigger, smaller or cancel out. |
Look a bit closer at the ‘super’ |
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Waves get bigger when the sound is quieter. True or false? |
False. Waves get bigger the louder the sound gets. |
Loud. Big. Same idea right? |
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What is ultrasound? |
Ultrasound is sound that has a higher frequency then humans can hear. So basically >20,000 Hz and >20 Hz. |
Ultrasound is sort of the sound dog whistles make. |
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What is the lowest sound and highest sound humans can hear? |
This was already in another flash card in this, but I’ll make it clearer. 20Hz is the lowest and 20,000Hz is the highest. |
It’s been in another flashcard. |
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What is the difference between constructive and destructive interference? |
Constructive makes it bigger and destructive makes it smaller or cancels it out. |
It’s in the name. |
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What is the job of the semicircular canals? |
They make sure you are in balance. When you spin around fast, the liquid in these canals are still moving, but you are still. So y out feel dizzy. |
Has nothing to do with sound lol |
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Using this diagram, define amplitude. |
Amplitude is the measurement of a wave from its resting position (equilibrium) to the highest crest or trough. |
Use your brain sorry |
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How do you measure speed? |
Speed = distance\time |
Use that triangle thing that I forgot how to use. |
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What do you call that snail shell thing in the ear? |
The cochlea (haha) |
The name sounds a bit inappropriate |
