Home
Class 12
PHYSICS
An engine is moving on a circular track ...

An engine is moving on a circular track with a constant speed It .is blowing a whistle of frequency 500 Hz.The frequency recived by an overser standing stationary at the centre of the track is
` (##TRG_PHY_MCQ_XII_C07_E02_048_Q01.png" width="80%">

A

500 Hz

B

more than 500 Hz

C

less than 500 Hz

D

more or less than 500 Hz depending on the actual speed of the engine

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WAVE MOTION

    TARGET PUBLICATION|Exercise MCQ 7.1|61 Videos
  • SURFACE TENSION

    TARGET PUBLICATION|Exercise EVALUATION TEST|21 Videos
  • WAVE THEORY OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|20 Videos

Similar Questions

Explore conceptually related problems

An engine is moving on a circular track with a constant speed. It is blowing a whistle of frequency 500 Hz . The frequency received by an observer standing stationary at the centre of the track is

TARGET PUBLICATION-WAVE MOTION -MCQ 7.1
  1. An engine blowing a whistle of frequency 133 Hz moves with a velocity ...

    Text Solution

    |

  2. A passenger is sitting in a fast moving train The engine of the train...

    Text Solution

    |

  3. A source of sound and a listener both are moving in the same direction...

    Text Solution

    |

  4. If a stationary observer notes a change of 25% in the frequency of a w...

    Text Solution

    |

  5. A train A is travelling at a speed of 108 km hr^(-1) The train appro...

    Text Solution

    |

  6. Two cars are approaching each other with same speed of 20 m//s . A ma...

    Text Solution

    |

  7. An engine is moving on a circular track with a constant speed It .is b...

    Text Solution

    |

  8. An engine driver moving towards a wall with a velocity of 60 m/s emit...

    Text Solution

    |

  9. An object producing a pitch of 600 Hz approaches a stationary person i...

    Text Solution

    |

  10. When both source and listener approach each other with a velocity equa...

    Text Solution

    |

  11. The difference between the apparent frequency of a sound of soun as pe...

    Text Solution

    |

  12. A wave is expressed by the equation y=0.5sinpi(0.01x-3t) where y a...

    Text Solution

    |

  13. Two sources of sound A and B produce the wave of 350 Hz ,they vibrate...

    Text Solution

    |

  14. A tuning fork whose frequency is given by the manufacturer as 512 Hz i...

    Text Solution

    |

  15. Two sounding bodies producing prograssive waves given by y1 =4 sin (4...

    Text Solution

    |

  16. A source of sound emitting a note of frequency 90 Hz moves towards an ...

    Text Solution

    |

  17. A train has just completed a U-curve in a trach which is a semi circle...

    Text Solution

    |

  18. Assertion :on reflection from a rigid boundary (denser medium) there i...

    Text Solution

    |

  19. A sonic source, located in a uniform medium, emits waves of frequency ...

    Text Solution

    |

  20. The well known example of longitudinal wave is

    Text Solution

    |