Home
Class 12
PHYSICS
A length of 30 cm of a steel wire on a g...

A length of 30 cm of a steel wire on a guitar gives a note of 300 Hz when it is plucked. What length of this wire will give a note of 400 Hz, if the tension does not change?

A

40 cm

B

10 cm

C

75 cm

D

22.5 cm

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • STATIONARY WAVES

    TARGET PUBLICATION|Exercise CRITICAL THINGKING|71 Videos

  • STATIONARY WAVES

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|123 Videos

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Evaluation Test|17 Videos

  • SURFACE TENSION

    TARGET PUBLICATION|Exercise EVALUATION TEST|21 Videos

Similar Questions

Explore conceptually related problems

30 cm length of the wire gives note of frequency 300 Hz when plucked in the middle . What length of the wire will produce a note a frequency 400 Hz for constant tension ?

The length of a metal wire is l when the tension is F and x l when the tension si y F. Then the natural length of the wire is

A cell is balanced at 100cm of a potentiometer wire when the total length of the wire is 400cm .If the length of the potentiometer wire is increased by 100cm ,then the new balancing length for the cell will be

Two steel wires of equal volume are stretched with the same tension. If the lengths of the wires are in the ratio 1:2 the ratio of their extensions will be

A string 50 cm long and weighing 1.0 g produces a note of 100 Hz on plucking in the middle.What is the tension in the string ?

The length of a metal wire is 10cm when the tension in it is 20N and 12cm when the tension is 40N . Then natural length of the wire is in cm

The length of a stretched wire is 1 m and its fundamental frequency is 300 Hz.What is the speed of the transverse wave in the wire ?

A stretched wire of length 30 cm emits a note of freqency 200 Hz, when plucked at its centre, By keeping its tension constant, the length of the wire is decreases by 5 cm. then it will a sound note of frequency ?

TARGET PUBLICATION-STATIONARY WAVES-EVALUATION TEST
  1. A length of 30 cm of a steel wire on a guitar gives a note of 300 Hz w...

    Text Solution

    |

  2. Assertion: If two tuning forks are sonuded together, they produce 5 be...

    Text Solution

    |

  3. An open organ pipe of length L vibrates in its fundamental mode. The p...

    Text Solution

    |

  4. In an organ pipe whose one end is at x =0, the presence is expressed b...

    Text Solution

    |

  5. A standing wave is maintained in a homogeneous string of corss-section...

    Text Solution

    |

  6. In a stationary wave that forms as a result of reflection of wave from...

    Text Solution

    |

  7. The funduamental frequency of a sonometer wire of length l is n(0). A ...

    Text Solution

    |

  8. A pipe open at the top end is held vertically with some of its lower p...

    Text Solution

    |

  9. Assertion: The length of the glass tube in air column resonating exper...

    Text Solution

    |

  10. A wave represented by the equation y=acos(kx-omegat) is superposed wit...

    Text Solution

    |

  11. A second harmonic has to be generated in a string of length l stretche...

    Text Solution

    |

  12. Waves of frequency 1000 Hz are produced in a Kundt's tube . The total ...

    Text Solution

    |

  13. A uniform string fixed at both ends vibrates in a resonant mode with a...

    Text Solution

    |

  14. A taut string at both ends viberates in its n^(th) overtone. The dista...

    Text Solution

    |

  15. A compsits wire fixed at both ends consists of two uniform parts havin...

    Text Solution

    |

  16. Assertion : Two points in adjacent loops of a string wave in the case ...

    Text Solution

    |

  17. A wire of identical length and cross-section is used for fixed vibrati...

    Text Solution

    |