Home
Class 11
PHYSICS
A source and a listener are both moving ...

A source and a listener are both moving towards each other with speed `v//10`, where `v` is the speed of sound. If the frequency of the note emitted by the source is `f`, the frequency heard by the listener would be nearly

A

1.11 f

B

1.22 f

C

f

D

1.27 f

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVES AND SOUND

    ERRORLESS |Exercise Musical Sound|32 Videos

  • WAVES AND SOUND

    ERRORLESS |Exercise Critical Thinking Questions|51 Videos

  • WAVES AND SOUND

    ERRORLESS |Exercise Organ pipe|53 Videos

  • VECTORS

    ERRORLESS |Exercise Exercise|223 Videos

  • WORK , ENERGY , POWER AND COLLISION

    ERRORLESS |Exercise Self Evaluation Test|19 Videos

Similar Questions

Explore conceptually related problems

A source and an observer are moving towards each other with a speed equal to v/2 where v is the speed of sound. The source is emitting sound of frequency n . The frequency heard by the observer will be

A source of sound is moving towards an observer at rest with a speed V = 0.1 times the speed of sound. Find the apparent freuency as heard by the observer if original frequency is 400 Hz.

A source of sound and listener are approaching each other with a speed of 40 m / s . The apparent frequency of note produced by the source is 400 cps . Then, its true frequency (in cps ) is (velocity of sound in air = 360 m / s )

When both source and listener approach each other with a velocity equal to half the velocity of sound,the change in frequency of the sound as detected by listener is

A source of sound of frequency 500 Hz is moving towards an observer with velocity 30 m/s . The speed of sound is 330 m/s . the frequency heard by the observer will be

A listener and a source of sound are moving with the same speed in the same direction. The ratio of the frequency of the source and the frequency which is heard by the listerner is

A source emitting sound of frequency 1000 Hz is moving towards an observer at speed v_s = 0.90 v , (where v is the velocity of sound). What frequency III will be heard by the observer ?

ERRORLESS -WAVES AND SOUND-Doppler s Effect
  1. A source sound is moving with constant velocity of 20m//s emitting a n...

    Text Solution

    |

  2. A source of sound S is moving with a velocity of 50m//s towards a stat...

    Text Solution

    |

  3. A source and a listener are both moving towards each other with speed ...

    Text Solution

    |

  4. A table is revolving on its axis at 5 revolutions per second. A sound ...

    Text Solution

    |

  5. A source of sound S of frequency 500 Hz situated between a stationary ...

    Text Solution

    |

  6. A motor car blowing a horn of frequency 124vib//sec moves with a veloc...

    Text Solution

    |

  7. A source of sound of frequency n is moving towards a stationary observ...

    Text Solution

    |

  8. A vehicle, with a horn of frequency n is moving with a velocity of 30 ...

    Text Solution

    |

  9. A whistle giving out 450 H(Z) approaches a stationary observer at a sp...

    Text Solution

    |

  10. An observer is moving away from source of sound of frequency 100 Hz. ...

    Text Solution

    |

  11. An observer standing at station observes frequency 219 Hz when a train...

    Text Solution

    |

  12. At what speed should a source of sound move so that stationary observe...

    Text Solution

    |

  13. A boy is walking away from a wall towards an observer at a speed of 1 ...

    Text Solution

    |

  14. The driver of a car travelling with speed 30ms^-1 towards a hill sound...

    Text Solution

    |

  15. Two sirens situated one kilometer apart are producing sound of frequen...

    Text Solution

    |

  16. A source of sound is travelling with a velocity 40 km / hour towards o...

    Text Solution

    |

  17. A source of sound and listener are approaching each other with a speed...

    Text Solution

    |

  18. A siren emitting sound of frequency 500 Hz is going away from a static...

    Text Solution

    |

  19. A man sitting in a moving train hears the whistle of the engine. The f...

    Text Solution

    |

  20. A source of sound of frequency 500 Hz is moving towards an observer wi...

    Text Solution

    |