Home
Class 12
PHYSICS
A source of sound S is moving with a vel...

A source of sound S is moving with a velocity 50 m/s towards a stationary observer. The observer measures the frequency of the source as 1000 Hz. What will be the apparent frequency of the source when it is moving away from the observer after crossing him : the velocity of soudn in the medium is 350 m/s .

A

750 Hz

B

1143 Hz

C

857 Hz

D

1333 Hz

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MODEL TEST PAPER 4

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

  • MODEL TEST PAPER 6

    KCET PREVIOUS YEAR PAPERS|Exercise PHYSICS|60 Videos

Similar Questions

Explore conceptually related problems

A source of sound is moving with a velocity of 50ms^(-1) towards a stationary observer . The Observer measure the frequency of sound as 500Hz. The appartment frequency of sound as heard by the observer when source is moving away from hom with the same speed is (Speed of sound at room temperature 350ms^(-1)

The apparent frequency of a note is 200 Hz. When a listener is moving with a velocity of 40 ms^(-1) towards a stationary source. When he moves away from the same source with the same speed, the apparent frequency of the same note is 160 Hz. The velocity of sound in air in m//s is

What is Doppler effect of sound? Derive expression for apparent frequency of sound. When source is moving away from stationary listener.

A source of sound moves towards a stationary listener with a velocity equal to half the velocity of sound. If the actual frequency of the sound produced by the source be cc"f" , then the change in frequency is

A train producing a siren with a frequency of 1500 Hz approaches a stationary observr with a speed of 72 kmph. What is apparent frequency of sound heard by him when it crossing him ?( Given velocity of sound v = 340ms^(-1) )

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER 5-Physics
  1. A train blowing its whistle moves with a constant velocity v away from...

    Text Solution

    |

  2. A plane wave is described by the equation y = 3 cos (x/7 - 10 t - pi/6...

    Text Solution

    |

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

    Text Solution

    |

  4. If velocity of sound waves of 300 Hz frequency is v m/sec, then the ve...

    Text Solution

    |

  5. Find the number of beats produced per sec by the vibrations x1=A sin (...

    Text Solution

    |

  6. What are photodiodes used for ?

    Text Solution

    |

  7. To observe diffraction, the size of the obstacle

    Text Solution

    |

  8. If two light waves having same frequency have intensity ratio 4:1 and ...

    Text Solution

    |

  9. In Young's double slit experiement when wavelength used is 6000Å and t...

    Text Solution

    |

  10. Dispersive power of prism material is

    Text Solution

    |

  11. The reaction 5^(B^(8))rarr4^(Be^(8)) takes place due to

    Text Solution

    |

  12. Match the following Column - A and Column - B

    Text Solution

    |

  13. The unit of absolute permittivity is

    Text Solution

    |

  14. The electric intensity at a point distant 1 m from the centre of a sph...

    Text Solution

    |

  15. A positive charge Q is placed at the centre O of a thin metalic spheri...

    Text Solution

    |

  16. An e.m.f. of 15 volt is applied in a circuit containing 5 henry induct...

    Text Solution

    |

  17. Equal charges Q are placed at the four corners A, B, C, D of a square ...

    Text Solution

    |

  18. In the circuit shown

    Text Solution

    |

  19. In the following circuit in state of resonance, which statement is cor...

    Text Solution

    |

  20. A bar of diamagnetic substance is placed in a magnetic field with its ...

    Text Solution

    |