&KDUOHV%ODLU''6 Form

Instructions and help about &KDUOHV%ODLU''6

louder sounds are produced by sound waves of higher amplitude let us try to visualize it we need a metal glass and a spoon pour some water in a metal glass now strike the glass with a spoon and observe the sound first softly then a little harder and again very hard you observe that the loudest sound is produced when the glass is struck the hardest now we will test the amplitude of the sound waves keep the glass near the thermocore wall which is hanging from a string let the ball slightly touch the glass now again strike the glass and observe the ball we see that the thermical ball gets displaced more when the glass is struck harder this shows that the glass vibrates with more amplitude when it is struck harder so we can conclude that difference in loudness of sound is due to difference in the amplitude of waves it produces