AQA · Physics · 8463
GCSE Physics: Sound waves
Waves · AQA GCSE Physics (8463), specification point 4.6.1.4. Cards are generated from the exam board's own specification for "Sound waves", and every card links back to the page it came from. Higher tier only. Separate science only. Specification © AQA — used with attribution.
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What is the range of normal human hearing?
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20 Hz to 20 kHz.
The lower limit of normal human hearing is about ?.
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20 Hz
The upper limit of normal human hearing is about ?.
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20 kHz
What happens when a sound wave travels through a solid?
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It causes the solid to vibrate.
Which part of the ear do sound waves cause to vibrate first?
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The ear drum, which then makes other parts of the ear vibrate, producing the sensation of sound.
Why do humans hear only a limited range of frequencies?
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The conversion of sound waves into vibrations of solids (e.g. the ear drum) only works over a limited frequency range.
Give an example of a sound wave being converted into vibrations in a solid.
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Sound waves making the ear drum vibrate.
Sound waves cause the ? to vibrate, which leads to the sensation of sound.
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ear drum
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