Home
Class 11
PHYSICS
Two identical piano wires have fundement...

Two identical piano wires have fundemental frequency of `600` `vib//sec`, when kept under the same tension. What frectional increase in the tension of one wire will lead to the occurrence of six beats per second when both wires vibrate simuitaneously?

A

`0.01`

B

`0.02`

C

`0.03`

D

`0.04`

Text Solution

Verified by Experts

The correct Answer is:
B
`n prop sqrt(T)` and `n.-n=6`
Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Two identical piano wires have a fundamental frequency of 600 Hz when kept under the same tension. What fractional increase in the tension of one wire will lead to the occurrence of 8.0 beats/s when both wires oscillate simultaneously?

Two identical sonometer wires have a fundamental frequency of 500 Hz when kept under the same tension . The percentage change in tension of one of the wires that would cause an occurrence of 5 beats//s , when both wires vibrate together is

Two identical piano wires have same fundamental frequency when kept under the same tension. What will happen if tension of one of the wires is slightly increased and both the wires are made to vibrate simultaneously?

Two identical wires have a fundamental frequency of 100Hz, when kept under the same tension . If the tension of one of the wires is increased by 21% , the number of beats produced is

The identical piano wires kept under the same tension T have a fundamental frequency of 600 Hz. The fractional increase in the tension of one of the wires which will lead to occurrence of 6 beats//s when both the wires oscillate together would be

Two identical wires have the same fundamental frequency of 400 Hz . when kept under the same tension. If the tension in one wire is increased by 2% the number of beats produced will be

Two identical wires of length l and 2l vibrate with fundamental frequencies 100 Hz and 150 Hz respectively. What is the ration of their tensions?

Two identical violin strings, when in true and stretched with same tension , have a fundamental frequency of 440.0 H_(Z) . One of the string is retuned by adjusting its tension . When this is done, 1.5 beats per second are heard when both strings are plucked simultaneously. (a) What are the possible fundamental frequencies of the retuned string? (b) by what fractional amount was the string tension changed if it was (i) increased (ii) decreased?

A piano wire A vibrates at a fundamental frequency of 600 Hz. A second identical wire B produces 6 beats per second with it when the tension in A is slightly increased. Find the ratio of the tension in A to the tension in B.

NARAYNA-WAVES-Exercise-I (C.W)
  1. On vibrating an air column at 627^(@)C and a tuning fork simultaneousl...

    Text Solution

    |

  2. A string 25cm long and having a mass of 2.5 gm is under tension. A pip...

    Text Solution

    |

  3. Two identical piano wires have fundemental frequency of 600 vib//sec, ...

    Text Solution

    |

  4. The speed at which a source of sound should move so that a stationary ...

    Text Solution

    |

  5. The difference between the apparent frequencies of whistle as received...

    Text Solution

    |

  6. A source of sound emitting a note of frequency 200 Hz moves towards an...

    Text Solution

    |

  7. An engine giving whistle is moving towards a stationary observer with ...

    Text Solution

    |

  8. Two aeroplanes 'A' and 'B' are moving away from one another with a spe...

    Text Solution

    |

  9. An engine is moving on a circular path of radius 100 m with a speed of...

    Text Solution

    |

  10. The frequency of a radar is 780 MHz. After getting reflected from an a...

    Text Solution

    |

  11. An observer moves towards a stationary source of sound, with a veloci...

    Text Solution

    |

  12. A train is moving at 30 m//s in still air. The frequency of the locomo...

    Text Solution

    |

  13. A vehicle, with a horn of frequency n is moving with a velocity of 30 ...

    Text Solution

    |

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

    Text Solution

    |

  15. A truck blowing horn of frequency 500Hz travels towards a vertical mou...

    Text Solution

    |

  16. One train is approaching an observer at rest and another train is rece...

    Text Solution

    |

  17. A tuning fork of frequency 328Hz is moved towards a wall at a speed of...

    Text Solution

    |

  18. The frequency of the sound of a car horn as recorded by an observer to...

    Text Solution

    |

  19. Two trains are approaching each other on parallel tracks with same vel...

    Text Solution

    |

  20. A girl swings in a cardle with period pi//4 second and amplitude 2m. A...

    Text Solution

    |