1800-150-456-789
FlagBACK
Flag Wave Motion> A man standing on the platform of astatio...
question mark

A man standing on the platform of astation , records the frequency of whistles of two trains , one train entering and other train living the station with equal velocities of 4 m/s how many beats are heard by the man persecond if the frequency of each whistle is 240 hertz and the velocity of sound is 320 m/s ?

Aalok Jadhav , 7 Years ago
Grade 12
anser 1 Answers
ANMOL SETH

Last Activity: 7 Years ago

n(of train entering)=240*(320/320-4) =243Hzn(of train leaving) =240*(320/320+4) =237No.of beats heard(Δn) = 243-237=6Therefore 6 beats will be heard by the observer.Thanks

Provide a better Answer & Earn Cool Goodies

Enter text here...
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments


Ask a Doubt

Get your questions answered by the expert for free

Enter text here...

Other Related Questions on Wave Motion

question mark
A particle on a speing executes shm when the particle is found at x=xmax/2 the speed of the partcle is A)vx=vmax B)vx=√3vmax/2C)vx=√2vmax/2D)vx=vmax/2
Wave Motion
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
displacement associated with three dimensional wave is given by sai x y is equal to 1 + 1 by 2 x + root 3 by 2 k x minus omega t show that the wave propagates along a direction making an angle 60 degree with the x-axis
Wave Motion
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
What do you mean by Energy of Simple Hormonic Motion?
Wave Motion
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
What is mean by motion and time define it's all types with there parts and their s.i. units.
Wave Motion
0 Answer Available

Last Activity: 2 Year ago(s)

question mark
explain the effects of doppler effect in satellite communication
Wave Motion
0 Answer Available

Last Activity: 2 Year ago(s)