Home
Class 11
PHYSICS
When a source moves at a speed greater t...

When a source moves at a speed greater than tht of sound, will Doppler formul hold? What will happen?

Text Solution

Verified by Experts

No, as Doppler effect is valid only when `v_(s)lt v.` When `v_(s)gtv`, shock waves are produced.
Promotional Banner

Topper's Solved these Questions

  • OSCILLATIONS AND WAVES

    PRADEEP|Exercise Short Answer Questions|104 Videos

  • OSCILLATIONS AND WAVES

    PRADEEP|Exercise Long Answer Questions|33 Videos

  • OSCILLATIONS AND WAVES

    PRADEEP|Exercise conceptual problems|84 Videos

  • MATHEMATICAL TOOLS

    PRADEEP|Exercise Fill in the blanks|5 Videos

  • PHYSICAL WORLD AND MEASUREMENT

    PRADEEP|Exercise Competiton Focus Jee Medical Entrance|18 Videos

Similar Questions

Explore conceptually related problems

Which term is used to denote a speed greater than the speed of sound?

When a source of sound moves towards a stationary observer the pitch of sound will appear to

Jet planes which move with speeds greater than the speed of sound are called "_____"

A source of sound produces waves of wavelength 60 cm when it is stationary if the speed of sound in air is 320(m)/(s) and source moves with speed 20(m)/(s) , the wavelength of sound in the forward direction will be nearest to

Sound waves of wavelength greater than that of audible sound are called

PRADEEP-OSCILLATIONS AND WAVES-Very Short Answer Questions
  1. In an open organ pipe, third harmonic has a frequency 450Hz. What is t...

    Text Solution

    |

  2. Where to pluck and where to touch a stretched string to excite its fi...

    Text Solution

    |

  3. When a source moves at a speed greater than tht of sound, will Doppler...

    Text Solution

    |

  4. What is the essential condition for the formation of beats?

    Text Solution

    |

  5. Does the change in frequency due to Doppler effect depend on (i) dista...

    Text Solution

    |

  6. What is the essential condition for the formation of beats?

    Text Solution

    |

  7. Two sources of sound produce 20 beats in 4 second. What is the differe...

    Text Solution

    |

  8. name any one use of the phenomenon of beats.

    Text Solution

    |

  9. Name any two instruments based on superposition of waves.

    Text Solution

    |

  10. Two sounds of very close frequencies 510Hz and 514Hz are produced simu...

    Text Solution

    |

  11. Displacement versus time curve for a particle executing S.H.M. is show...

    Text Solution

    |

  12. Two identical springs of spring constant k are attached to a block of ...

    Text Solution

    |

  13. What are the two basic characteristics of a simple harmonic motion?

    Text Solution

    |

  14. When will the motino of a simple pendulum be simple harmonic?

    Text Solution

    |

  15. What is the ratio of maximum acceleration to the maximum velocity of a...

    Text Solution

    |

  16. What is the ratio between the distance travelled by the oscillator in ...

    Text Solution

    |

  17. What will be sign of the velocity of the point P^('), which is the pr...

    Text Solution

    |

  18. Show that for a particle executing S.H.M., velocity and displacement h...

    Text Solution

    |

  19. Draw a graph to show the the variation of P.E., K.E. and total eneryg ...

    Text Solution

    |

  20. The length of a second's pendulum on the surface of Earth in 1m. What ...

    Text Solution

    |