Home
Class 11
PHYSICS
A whistle producing sound waves of frequ...

A whistle producing sound waves of frequencies `9500 Hz` and above is approaching a stationary person with speed `vms^(-1)`. The velocity of sound in air is `300 ms^(-1)`. If the person can hear frequencies upto a maximum of `10,000 Hz`.The maximum value of `v` upto which he can hear whistle is

A

`15sqrt(2)ms^(-1)`

B

`(15)/(2)ms^(-1)`

C

`15ms^(-1)`

D

`30ms^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
C
`n.=n((V)/(V-V_(S)))`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

A whistle emitting a sound of frequency 450 Hz approaches a stationary observer at a speed of 33 m/s. Velocity of sound is 330 m/s. The frequency heard by the observer, in Hz, is :

The frequency of a rod is 200 HZ. If the velocity of sound in air is 340ms^(-1) , the wavelength of the sound produced is

A source producing sound of frequency 170 Hz is approaching a stationary observer with a velocity 17 ms^(-1) . The apparent change in the wavelength of sound heard by the observer is (speed of sound in air = 340 ms^(-1) )

Velocity of sound in air 300m/s. If the distance between the two successive nodes of a stationary wave of frequency 1000 Hz will be

An object producing a pitch of 600 Hz approaches a stationary person in a straight line with a velocity of 200m/s Veocity of sound is 300 m/s The person will note a change in frequency ,as the object flies past him, equal to

A person hears the sound of explosion of a bomb after 5 s. If the velocity of sound in air is 330 ms^(-1) , the distance between the bomb and the person is ____ km.

NARAYNA-WAVES-Exercise-I (H.W)
  1. A train in approaching a station with a uniform velocity of 72kmph and...

    Text Solution

    |

  2. A train is travelling at 120kmph and blows a whistle of frequency 1000...

    Text Solution

    |

  3. A source and an observer move away from each other with a velocity of ...

    Text Solution

    |

  4. An observer is moving on a circular path of radius r with speed V(0) a...

    Text Solution

    |

  5. A source of sound moves towards a listener with a velocity equal to th...

    Text Solution

    |

  6. A source of sound and an observer are approaching each other with the ...

    Text Solution

    |

  7. A source of sound produces waves of wave length 48cm. This source is m...

    Text Solution

    |

  8. A whistle producing sound waves of frequencies 9500 Hz and above is ap...

    Text Solution

    |

  9. A whistle of frequency 540 Hz rotates in a horizontal circle of radius...

    Text Solution

    |

  10. If a source emitting waves of frequency f moves towards an observer wi...

    Text Solution

    |

  11. The velocity of a listener who is moving away from a stationary source...

    Text Solution

    |

  12. Two trains are moving towards each other on parallel tracks at speeds ...

    Text Solution

    |

  13. A boy sitting on a swing which is moving to an angle of 30^(@) from th...

    Text Solution

    |

  14. A source of sound produces waves of wave length 48cm. This source is m...

    Text Solution

    |

  15. A siren of frequency n approaches a stationary observer and then recee...

    Text Solution

    |

  16. Two sources S(1) and S(2) of sound having frequencies 338, 342 Hz are ...

    Text Solution

    |

  17. A vehicle moving on a straight road sounds a whistle of frequency 256H...

    Text Solution

    |

  18. If a vibrating tuning fork of frequency 255Hz is approaching with a ve...

    Text Solution

    |

  19. Two sources A and B are sounding notes of frequency 680 Hz. A listener...

    Text Solution

    |

  20. A source of sound S is travelling at (100)/(3)(m)/(s) along a road, to...

    Text Solution

    |