A boy performs an experiment to measure the speed of sound. He stands 100 meters away from a large wall and claps his hands to make an echo. He claps again as soon as he hears the echo. He does this ten times, each time clapping as soon as he hears the echo. The time between the first clap and the tenth echo is recorded. Why is it better to time ten echoes together rather than just one echo?
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To improve the quality of sound and perfect estate of time can be know that how much time will be taken by the echo to be heared
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