![Experiments to measure speed of sound in air or solid synchronised microphones echo timing tensioned wire-standing wave methods apparatus lab procedure IGCSE/GCSE Physics revision notes Experiments to measure speed of sound in air or solid synchronised microphones echo timing tensioned wire-standing wave methods apparatus lab procedure IGCSE/GCSE Physics revision notes](https://docbrown.info/ephysics/ephyspics/CROpic02.gif)
Experiments to measure speed of sound in air or solid synchronised microphones echo timing tensioned wire-standing wave methods apparatus lab procedure IGCSE/GCSE Physics revision notes
![The echo of a sound is heard after 5 seconds. If the speed of sound in air be 342m/s, calculate the - YouTube The echo of a sound is heard after 5 seconds. If the speed of sound in air be 342m/s, calculate the - YouTube](https://i.ytimg.com/vi/XRrz98l4PC4/maxresdefault.jpg?sqp=-oaymwEmCIAKENAF8quKqQMa8AEB-AH-CYAC0AWKAgwIABABGGUgZShlMA8=&rs=AOn4CLCLJJNla8scIj7SejGAcfvgXi-mQg)
The echo of a sound is heard after 5 seconds. If the speed of sound in air be 342m/s, calculate the - YouTube
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