Sound Waves
Physics: Cambridge International GCSE Supplement, topic 3.6.1
Sound Waves
Sound waves are longitudinal waves. Pingu is able to hear the music in his headphones because his ear drum vibrates.
Pingu's headphones
Sound is a Wave
Sound is a wave. Because of this, it can be:
Reflected
- Echoes are an example of sound waves being reflected.
Refracted
Diffracted
Test yourself on Sound Waves
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A hiker shouts into a valley and hears the same sound again a few seconds later. Which process causes this to happen?
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Sound is a type of...