Home
Class 12
PHYSICS
A musician using and open flute of leng...

A musician using and open flute of length 50 cm produces second harmonic sound waves. A person runs towards the musician from another end of a hall at a speed of 10 km/h. If the wave speed is 330 m/s, the frequency heard by the running person shall be close to :

A

666 Hz

B

753 Hz

C

500 Hz

D

333 Hz

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 2

    KVPY PREVIOUS YEAR|Exercise EXERCISE|26 Videos
  • MOCK TEST 4

    KVPY PREVIOUS YEAR|Exercise EXERCISE|15 Videos
KVPY PREVIOUS YEAR-MOCK TEST 3-EXERCISE
  1. A musician using and open flute of length 50 cm produces second harmo...

    Text Solution

    |

  2. A diatomic molecule is made of two masses m(1) and m(2) which are sepa...

    Text Solution

    |

  3. In an experiment of calibartion of voltmeter, a standard cell of emf 1...

    Text Solution

    |

  4. AB is a cylinder of length 1m fitted with a thin flexible diaphragm C ...

    Text Solution

    |

  5. Graph shows a hypothetical speed distribution for a sample of N gas pa...

    Text Solution

    |

  6. Figure shows a method for measuring the acceleration due to gravity. T...

    Text Solution

    |

  7. A long plying record revolves with a speed of 33 (1)/(3) "rev min"^(-1...

    Text Solution

    |

  8. In an experiment to determine the acceleration due to gravity g, the f...

    Text Solution

    |

  9. A thin uniform rod, pivoted at O, is rotating in the horizontal plane ...

    Text Solution

    |

  10. Two mirrors, one concave and the other convex, are placed 60 cm apart ...

    Text Solution

    |

  11. Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in th...

    Text Solution

    |

  12. A bar magnet of dipole moment 1 A-m^2 and moment of inertia 10^-5kg-m^...

    Text Solution

    |

  13. A cylindrical vessel of area of cross section A is filled with a liqui...

    Text Solution

    |

  14. An asteroid of mass m is approaching earth, initially at a distance 10...

    Text Solution

    |

  15. Two polaroids are placed in the path of unpolarized beam of intensity ...

    Text Solution

    |

  16. An infinite cylinder of radius r with surface charge density sigma is ...

    Text Solution

    |

  17. A glass sinker has a mass M in air, When weighed in a liquid at temper...

    Text Solution

    |

  18. A radioactive material decays by simultaneous emission of two particle...

    Text Solution

    |

  19. Calculate the rate of loss of heat through a glass window of area 1000...

    Text Solution

    |

  20. from the following combinations of physical constants (expressed throu...

    Text Solution

    |