Home
Class 12
PHYSICS
Two cars moving in opposite direction ap...

Two cars moving in opposite direction approach each other with speed of `22m//s` and `16.5m//s` respectively . The driver of the first car blows a horn having a frequency `400Hz`. The frequency heard by the driver of the second car is `[` velocity of the sound `340m//s]`

A

350Hz

B

361 Hz

C

411 Hz

D

448Hz

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Topper's Solved these Questions

  • THERMAL AND CHEMICAL EFFECTS OF CURRENt

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Exercise|34 Videos
  • WORK, ENERGY AND POWER

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise objective|51 Videos
NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-WAVES-All Questions
  1. The two nearest harmonics of a tube closed at one end and open at othe...

    Text Solution

    |

  2. Two cars moving in opposite direction approach each other with speed o...

    Text Solution

    |

  3. A siren emitting a sound of frequency 800 Hz moves away from an observ...

    Text Solution

    |

  4. A uniform rope of legnth L and mass m1 hangs vertically from a rigid s...

    Text Solution

    |

  5. The second overtone of an open organ pipe has the same frequency as th...

    Text Solution

    |

  6. Three sound waves of equal amplitudes have frequencies (v - 1), v, (v ...

    Text Solution

    |

  7. The fundamental frequency of a closed organ pipe of length 20 cm is eq...

    Text Solution

    |

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

    Text Solution

    |

  9. If n(1), n(2 ) "and" n(3) are the fundamental frequencies of three seg...

    Text Solution

    |

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

    Text Solution

    |

  11. A speed ign motorcyclist sees traffic ham ahead of him. He slows doen ...

    Text Solution

    |

  12. A wave travelling in the +ve x-direction having displacement along y-d...

    Text Solution

    |

  13. If we study the vibration of a pipe open at both ends, then the follow...

    Text Solution

    |

  14. A source of unknown frequency gives 4 beats/s, when sounded with a sou...

    Text Solution

    |

  15. If v(1) , v(2) and v(3) are the fundamental frequencies of three segme...

    Text Solution

    |

  16. Two sources of sound placed close to each other are wmitting progressi...

    Text Solution

    |

  17. Two waves are represented by the equations y1=asin(omegat=kx+0.57)m an...

    Text Solution

    |

  18. Sounds waves travel at 350m//s through a warm air and at 3500m//s thro...

    Text Solution

    |

  19. A transverse wave is represented by y=Asin(omegat-kx). For what value ...

    Text Solution

    |

  20. A tuning fork of frequency 512 Hz makes 4 beats//s with the vibrating ...

    Text Solution

    |