Home
Class 11
PHYSICS
A train of length /is moving with a cons...

A train of length /is moving with a constant speed V along a circular track of radius R. The engine of the train emits a sound of frequency f. Find the frequency heard by a guard at the rear end of the train.

Text Solution

Verified by Experts

Frequency =f
Promotional Banner

Topper's Solved these Questions

  • VECTOR-I AND VECTOR-II

    PATHFINDER|Exercise QUESTION BANK|187 Videos

  • WORK POWER AND ENERGY

    PATHFINDER|Exercise QUESTION BANK|34 Videos

Similar Questions

Explore conceptually related problems

A train is moving with a uniform speed of 33 m/s and an observer is approaching the train with the same speed. If the train blows a whistle of frequency 1000 Hz and the velocity of sound is 333 m/s, then the apparent frequency of the sound that the observer hears is

A train is moving with a uniform velocity of 66 km per hour along a circular railway line of radius 750 m . Find the angle in degrees which the train subtends at the centre in 10 seconds.

PATHFINDER-WAVE MOTION AND SOUND -I & II-QUESTION BANK
  1. A police siren a sinusoidal wave with frequency fs=300 Hz. The speed o...

    Text Solution

    |

  2. A police siren a sinusoidal wave with frequency fs=300 Hz. The speed o...

    Text Solution

    |

  3. A train of length /is moving with a constant speed V along a circular ...

    Text Solution

    |

  4. A train is moving on a straight track with speed 20 ms^(-1). It is blo...

    Text Solution

    |

  5. A train is moving with a uniform speed of 33 m/s and an observer is a...

    Text Solution

    |

  6. A source of sound S emitting waves of frequency 100 Hz and an observer...

    Text Solution

    |

  7. A string is stretched between fixed points separated by 75.0 cm. It is...

    Text Solution

    |

  8. The length of an open organ pipe is twice the length of another closed...

    Text Solution

    |

  9. A pipe of length 85 cm is closed from one end. Find the number of poss...

    Text Solution

    |

  10. The displacement of a particle in a periodic motion is given by y =4 c...

    Text Solution

    |

  11. A whistle whose air column is open at both ends has a fundamental freq...

    Text Solution

    |

  12. A car is moving with a speed of 72 km-hour^(-1) towards a roadside sou...

    Text Solution

    |

  13. Sound waves are passing through two routes one in straight path and th...

    Text Solution

    |

  14. The number of possible natural oscillations of air column in a pipe cl...

    Text Solution

    |

  15. A speeding motorcyclist sees traffic jam ahead of him. He slows down t...

    Text Solution

    |

  16. A car at a velocity of 17 ms^(-1) towards an approaching bus that blow...

    Text Solution

    |

  17. A travelling acoustic wave of frequency 500 Hz is moving along the pos...

    Text Solution

    |

  18. A train approaching a railway platform with a speed of 20 ms^(-1) star...

    Text Solution

    |

  19. A progressive wave moving along x-axis is represented by y=A"sin"[(2pi...

    Text Solution

    |

  20. The frequency of the first overtone of a closed pipe of length lt is e...

    Text Solution

    |