Home » Ask & Discuss » Physics. » Mechanics « Back to Discussion
Mechanics
ok this is from sound chapter....................why can a person easily recognize the horn of his o
Kinematics
,
NewtonsLawsCirMotion
,
Work Power Energy collisions
,
Rotation
,
Gravitation
,
Simple Harmonic Motion
,
Fluid Mechanics
,
Materials Wave Sound
,
Super Position
,
units dimensions
,
com momentum
,
shm
,
wave sound
ok this is from sound chapter....................why can a person easily recognize the horn of his own car,no matter most of the cars use factory made horns of same quality??.............its a work book question......
Comments (16)
Killer Kiran
Blazing goIITian

Joined: 6 Aug 2007
Posts: 1860
30 Apr 2009 22:04:31 IST
Like
0 people liked this
this must be from a psychology chapter....lol......(------thinking-------)
Reply
30 Apr 2009 22:46:11 IST
Like
0 people liked this
Assuming that the driver is always inside the car....and applying Doppler effect...the velocity of the driver and the horn is the same [obvious]...so the frequency that the driver hears remains the original frequency of the horn...while other cars[hence horns] are at different velocities wrt to the listener.[most of the cases]..so he hears a higher or a lower frequency...so he will be able to distinguish them...hope this clears the mystery of the similar horns...lol
30 Apr 2009 22:55:18 IST
Like
0 people liked this
what kiran said is obvious if the person is inside the moving car.........but what if the person is stationary outside the car and hearing its horn while the car is moving.....?! if he still manages to recognize it, then it has got do with the neurological perception of sound........(i never recognize my cars horn standing outside! they all sound same :P)
30 Apr 2009 23:07:31 IST
Like
1 people liked this
ok ...now mr A drives the car....he moves through busy streets and he is able to distinguish his cars horn...now this is recorded in the cells of his brain...when he gets out of the car....assume mr invisble horns 4m his car...so his cells will recognise the distict horn and he will distinguish it 4m the other horns* [* effect lasts 4 only 15 mins 4 mr sanjay singhania]











