Home
Class 11
PHYSICS
A source producing sound of frequency 17...

A source producing sound of frequency 170 Hz is approaching a stationary observer with a velocity `17 ms^(-1)`. The apparent change in the wavelength of sound heard by the observer is (speed of sound in air `= 340 ms^(-1)`)

A

0.1 m

B

0.2 m

C

0.4 m

D

0.5 m

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • WAVES AND SOUND

    ERRORLESS |Exercise Graphical Quations|17 Videos
  • WAVES AND SOUND

    ERRORLESS |Exercise Assertion and Reason|16 Videos
  • WAVES AND SOUND

    ERRORLESS |Exercise Musical Sound|32 Videos
  • VECTORS

    ERRORLESS |Exercise Exercise|223 Videos
  • WORK , ENERGY , POWER AND COLLISION

    ERRORLESS |Exercise Self Evaluation Test|19 Videos

Similar Questions

Explore conceptually related problems

A source producing sound of frequency 340 Hz is moving away from a stationary observer with a velocity of 34 ms^(-1) . The apparent change in wavelength of sound heard by the observer is (V = 340 ms^(-1))

A source of sound of frequency 90 vibrations/ sec is approaching a stationary observer with a speed equal to 1/10 the speed of sound. What will be the frequency heard by the observer

A car has two horns having a difference in frequency of 180 Hz. The car is approaching a stationary observer with a speed of 60 ms^(-1) . Calculate the difference in frequencies of the notes as heard by the observer, If velocity of sound in air is 330 ms^(-1) .

A sound source emitting sound of frequency 450 Hz is approaching a stationary observer with velocity 30 ms^(-1) and another identical source is going away from the observer with the same velocity. If the velocity of sound is 330 ms^(-1) , then the difference of frequencies heard by observer is

A source is approaching a stationary observer with uniform acceleration . The frequency of the sound heard by the observer appears to -

A source of sound producing wavelength 60cm is moving away from a stationary observer, with speed (1)/(4)th of speed of sound. Then the wavelength of sound hear by the observer is

A source of sound of frequency 500 Hz is moving towards an observer with velocity 30 m/s . The speed of sound is 330 m/s . the frequency heard by the observer will be

If a source of frequency n moving with velocity v crosses a stationary observer, then the change in the frequency of sound heard by the observer will be (velocity of sound = V)

ERRORLESS -WAVES AND SOUND-Critical Thinking Questions
  1. Two cars are moving on two perpendicular roads towards a crossing with...

    Text Solution

    |

  2. Two whistles Aand B produces notes of frequencies 660 Hz and 596 Hz re...

    Text Solution

    |

  3. A source producing sound of frequency 170 Hz is approaching a stationa...

    Text Solution

    |

  4. A police car moving at 22 m/s, chases a motorcylist. The police man so...

    Text Solution

    |

  5. An observer moves towards a stationary source of sound with a speed ((...

    Text Solution

    |

  6. A light pointer fixed to one prong of a tuning fork touches gnetly a s...

    Text Solution

    |

  7. Oxygen is 16 times heavier than hydrogen. At NTP equal volumn of hydro...

    Text Solution

    |

  8. The equation of displacement of two waves are given as y(1) = 10 si...

    Text Solution

    |

  9. The equation y=A cos^(2) (2pi nt -2 pi (x)/(lambda)) represents a wave...

    Text Solution

    |

  10. In a wave motion y = sin (kx - omega t),y can represent :-

    Text Solution

    |

  11. There are 10 sound sources each producing intensity I at a point indep...

    Text Solution

    |

  12. Ten tuning forks are arranged in increasing order of frequency is such...

    Text Solution

    |

  13. Forty - one forks are so arranged that each products 5 beat//s when s...

    Text Solution

    |

  14. Two identical wires have the same fundamental frequency of 400 Hz . wh...

    Text Solution

    |

  15. 25 tunning forks are arranged in series in the order of decreasing fre...

    Text Solution

    |

  16. 16 tuning forks are arranged in increasing order of frequency. Any two...

    Text Solution

    |

  17. Two idential straight wires are stretched so as to produce 6 beats per...

    Text Solution

    |

  18. The frequency of a stretched uniform wire under tension is in resonanc...

    Text Solution

    |

  19. A metal wire of linear mass density of 9.8g//m is stretched with a ten...

    Text Solution

    |

  20. A wire of density 9 xx 10^(3) kg//m^(3) is stretched between two clamp...

    Text Solution

    |