A person claps his hands at approximately 0.5s intervals in front of a wall 90m away. He notices that each echo produced by the wall...

A person claps his hands at approximately 0.5s intervals in front of a wall 90m away. He notices that each echo produced by the wall coincides with the next clap.
i) Calculate the approximate speed of sound
ii) If the results obtained above were used as a basis for an experimental method to determine the speed of sound, what procedure should be adopted to obtain high accuracy in the timing part of the experiment?

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ii) Recording the time for more number of claps, (increasing the time interval)

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Kavungya answered the question on May 31, 2019 at 10:36

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