Wave properties and behaviour

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Question 20
Easy

A student carries out an experiment to determine the speed of sound in air using an echo method.

A student standing a measured distance from a tall flat brick wall. The student is holding two wooden blocks ready to clap them together to produce a sound, and a stopwatch is used to measure the time it takes for the echo to return from the wall.

From their measurements, the student calculates the speed of sound to be 312 m/s.

The accepted reference value for the speed of sound in air at this temperature is 343 m/s.

Calculate the difference between the student's experimental value and the accepted value as a percentage of the accepted value.

Give your answer to 2 significant figures.

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Wave properties and behaviour Questions

  1. GCSE
  2. /Physics
  3. /Wave properties and behaviour