Home
Class 11
PHYSICS
An object producing a pitch of 600 Hz ap...

An object producing a pitch of 600 Hz approaches a stationary person in a straight line with a velocity of `200 m//s`. Velocity of sound is `300 m//s`. The person will note a change in frequency, as the object flies past him, equal to

A

1440 Hz

B

240 Hz

C

1200 Hz

D

960 Hz

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise EXERCISE|147 Videos

  • Thermal Properties of Matter

    TARGET PUBLICATION|Exercise Exercise|259 Videos

Similar Questions

Explore conceptually related problems

A car with a hom of frequency 620 Hz travels towards a large wall with a speed of 20 m//s . velocity of sound is 330 m//s . The frequency of echo of sound of hom as heard by the driver is

If the velocity of sound in air is 350 m/s . Then the fundamental frequency of an open organ pipe of length 50 cm, will be

If the lengths of a closed rogan pipe is 1.5m and velocity of sound is 330m/s, then the frequency for the second note is

If the length of a closed organ pipe is 1m and velocity of sound is 330 m/s , then the frequency for the second note is

Length of an organ pipe open at both ends in 33.3 cm. If velocity of sound is 333 m/s.,then the frequency of fifth overtone is

A train has just completed a U-curve in a track which is a semicircle. The engine is at the forward end of the semi-circular part of the track while the last carriage is at the rear end of the semi-circular track. The driver blows a whistle of frequency 200 Hz. Velocity of sound is 340 m//s . Then the apparent frequency as observed by a passenger in the middle of a train when the speed of the train is 30 m//s is

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 car is travelling with a velocity of 40 m//s towards a source of sound of frequency 1000 Hz. If sound velocity is 330 m//s , then apparent frequency heard by the observer (in Hz) is

The frequency of a whistle of the engine of an express train moving with 20 m/s appears as 500 Hz to a car driver moving with the velocity 15 m/s. The velocity of the sound in air is 335 m/s. If the train and car are moving in opposite directions towards each other, then the frequency of the whistle is

Solve the following examples: (numerical problems) A body moves along a straight line at a velocity of 10 m/s for 10 s and then at a velocity of 15 m/s for 15 s. Find the average velocity of the body.

TARGET PUBLICATION-Sound-Exercise
  1. An engine is moving on a circular track with a constant speed. It is b...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  5. The difference between the apparent frequency 71. of a source of sound...

    Text Solution

    |

  6. If sound velocity is v, velocity of observer is v0 and velocity of sou...

    Text Solution

    |

  7. Consider a source of sound S and an observer P. The frequency of sound...

    Text Solution

    |

  8. A car is travelling with a velocity of 40 m//s towards a source of sou...

    Text Solution

    |

  9. What should be the velocity of sound from a source w.r.t. an observer,...

    Text Solution

    |

  10. The frequency of a whistle of the engine of an express train moving wi...

    Text Solution

    |

  11. Two cars are moving on two perpendicular roads towards a crossing with...

    Text Solution

    |

  12. An observer starts moving with uniform acceleration ‘a’ towards a stat...

    Text Solution

    |

  13. The frequency of a note emitted by a source changes by 20% as it appro...

    Text Solution

    |

  14. A source of sound is travelling towards a stationary observer. The fre...

    Text Solution

    |

  15. A man is watching two trains, one leaving and the other coming in with...

    Text Solution

    |

  16. A police car moving at 22 m//s, chases a motorcyclist. The police man ...

    Text Solution

    |

  17. An observer moves towards a stationary source of sound with a speed 1/...

    Text Solution

    |

  18. The number of waves contained in unit length of the medium is called

    Text Solution

    |

  19. An observer standing at the sea coast observes 54 waves reaching the c...

    Text Solution

    |

  20. The propagation of sound waves is not possible in space because

    Text Solution

    |