Get premium membership and access revision papers with marking schemes, video lessons and live classes.
  OR
Processing. Please wait.

 Form 2 Physics Sound Questions and Answers

A student stands at a distance 400m from a wall and claps two pieces of wood. After the first clap the student claps whenever an echo is heard from the wall. Another student starts a stopwatch at the first clap and stops it after the twentieth clap. The stopwatch records a time of 50 seconds. Find the speed of sound.

 (1m 43s)
343 Views     SHARE

Download as pdf file

Answer Text:
Speed = #(2d)/t= (2times400)/2.5# = 320m/s.


|