IGCSE PHYSICS (13) - SOUND
The ears start to be damaged at 85 dB, a level that some personal players can reach without difficulty. Sound waves can be displayed on an oscilloscope by using a microphone. This produces a voltage-time graph on the oscilloscope. vibrating loudspeaker microphone 3 SOUND This orchestra is creating a single longitudinal wave of very complicated ...
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PHYSICS IGCSE 2012 EXAM REVISION NOTES
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