Home
Class 12
PHYSICS
A wire 50cm long vibrates 100 times per ...

A wire 50cm long vibrates 100 times per second .If the length is shortened to 30 cm and the stretching force is quadrupled, what will be the frequency ?

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WAVES

    PHYSICS GALAXY - ASHISH ARORA|Exercise Advance MCQs with One or More Options Correct|30 Videos
  • WAVE OPTICS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerical Problems|28 Videos
  • X-RAYS

    PHYSICS GALAXY - ASHISH ARORA|Exercise Unsolved Numerica Problem for Preparation|23 Videos

Similar Questions

Explore conceptually related problems

If a body vibrates 50 times in a second, then its frequency is ______

A note from a tuning fork is in unision with the note of a 25 cm long stretched wire. If the length is changed to 25.5 cm the tension remaining unchanged, 3 beats per second are heard. Find the frequency of the fork.

A vibrating string fork and a vibrating sonometer wire of length 30 cm produce 4 beats/ sec. if the length of the wire is increases to 32 cm, again 4 beats/ sec. heard, what is the frequency of the tuning fork ?

A 1 cm long string vibrates with fundamental frequency of 256 Hz . If the length is reduced to 1/4 cm keeping the tension unaltered, the new fundamental frequency will be

A fork gives 5 beats with a 40cm length of sonometer wire. If the length of the wire is shortened by 1cm, the number of beats is still the same. The frequency of the fork is

A tuning fork gives 4 beats with 50 cm length of a sonometer wire. If the length of the wire is shortened by 1 cm, the number of beats is still the same. The frequency of the fork is

Two similar sonometer wires of the same same material produce 2 beats per second. The length of one is 50 cm and that of the other is 50.1 cm. Calculate the frequencies of the two wires.

A wire of 3 Omega resistance and 10 cm length is stretched to 30 cm length. Assuming that it has uniform cross-section, what will be its new resistance ?

PHYSICS GALAXY - ASHISH ARORA-WAVES -Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO
  1. Calculate the frequency of a ntoe emitted by a wire 20cm in length whe...

    Text Solution

    |

  2. In the spectrum of light of a luminous heavenly body the wavelength of...

    Text Solution

    |

  3. A wire 50cm long vibrates 100 times per second .If the length is shor...

    Text Solution

    |

  4. A sensitive microphone with its receiving surface turned towards a lon...

    Text Solution

    |

  5. A tuning fork of frequency 341 Hz is vibrated just over a tube of len...

    Text Solution

    |

  6. A man sets his watch by the noon-whistle of a factory at a distance of...

    Text Solution

    |

  7. Two tuning frok when sounded together give 4 beats per second.One is i...

    Text Solution

    |

  8. A bridges is placed under the string the of a monochord at a point ne...

    Text Solution

    |

  9. A whistle emitting a sound of frequency 440 Hz is tied to a string of...

    Text Solution

    |

  10. An under-water swimmer sends a sound signal to the surface. If it prod...

    Text Solution

    |

  11. One end of a string of length 120 cm is tied to a peg and other is att...

    Text Solution

    |

  12. The minimum intensity of audibility of a source is 10^(-12) "watt"//m...

    Text Solution

    |

  13. A plane wave zeta= A cos (omega t-kx) propagates in the reference fram...

    Text Solution

    |

  14. The intensity of a sound wave 20 m away from the sound source is 3 xx ...

    Text Solution

    |

  15. A load of 20 kg is suspended by a steel wire as shown in figure-6.109....

    Text Solution

    |

  16. A policemen blows a whistle of frequency 330 Hz as a car speeds and pa...

    Text Solution

    |

  17. A wire ofuniform cross-section is suspended vertically from a fixed po...

    Text Solution

    |

  18. Standing waves are produced by superposition of two waves y(1) = 0.0...

    Text Solution

    |

  19. A ship steams towards a hill in the sea and sounds its siren and the e...

    Text Solution

    |

  20. A source of sonic oscillations with frequency and a receiver are locat...

    Text Solution

    |