Subject :NSO Class : Class 8
A sonic 'tape measure' is used to measure the length of a room. It measures a time interval of 0.060 s between transmitting a sound pulse and receiving the echo. The speed of sound in air is 330 m/s. How far is the reflecting wall from the 'tape measure'?
Can someone explain this. Cant understand.Thanks in Advance
Can someone explain this. Cant understand.Thanks in Advance