Home
Class 12
PHYSICS
In order to double the frequnecy of the ...

In order to double the frequnecy of the fundamental note emitted by a stratched string the length is reduced to `3/4` th of the original length and the tension is changed. The factor by which the tension is to be changed is

A

`3//8`

B

`2//3`

C

`8//9`

D

`9//4`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • WAVES

    AAKASH SERIES|Exercise EXERCISE-II (Velocity of Sound:)|8 Videos

  • WAVES

    AAKASH SERIES|Exercise EXERCISE-II (Pipes)|13 Videos

  • WAVES

    AAKASH SERIES|Exercise EXERCISE-II (Wave Equations & Basics :)|19 Videos

  • WAVE OPTICS

    AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|33 Videos

  • WAVES OPTICS

    AAKASH SERIES|Exercise EXERCISE -III (POLARISITION)|10 Videos

Similar Questions

Explore conceptually related problems

What is the frequency of the fundamental note emitted by a wire of length 2 m and radius 1 mm under a tension of 200 N. Density of the wire is "1600 kg/m"^3.

What will be the change in resistance of a constantan wire when its radius is made half and length reduced to one-fourth of its original length ?

A middle C string on a piano has a fundamental frequency of 262 Hz , and the A note has fundamental frequency of 440 Hz . (a) Calculate the frequencies of the next two harmonics of the C string. (b) If the strings for the A and C notes are assumed to have the same mass per unit length and the same length, determine the ratio of tension in the two strings.

(a) Distinguish between transverse wave and longitudinal wave. Give one example of each type. (b) A stretched string of length I and under a tension T, emits a note of fundamental frequency n. The tension is now reduced to T/2 and the vibrating length changed so that the frequency of the second harmonic is equal to n. Find out the new length of the string in terms of its original length.

A stone of mass 0.5 kg is attached to a string of length 2 m and is whirled in a horizontal circle. If the string can with stand a tension of 9N, the maximum velocity with which the stone can be whirled is:

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

Fundamental frequency of a sonometer wire is n. If the length and diameter of the wire are doubled keeping the tension same, then the new fundamental frequency is

If the tension in a stretched string fixed at both ends is changed by 21% , the fundamental frequency is found to increase by 15 Hz , then the

A stretched wire emits a fundamental note of2 56 Hz. Keeping the stretching force constant and reducing the length of wire by 10 cm, the frequency becomes 320 Hz, the original length of the wire is

What is the fractional change in tension in a sonometer wire of constant length to produce a note one octave lower than the previous note?

AAKASH SERIES-WAVES-EXERCISE-II (Strings (Speed of a travelling wave:))
  1. The length of a sonometer wire AB is 100 cm, where should the two brid...

    Text Solution

    |

  2. A 5.5 m length of string has a mass of 0.035 kg. If the tension in the...

    Text Solution

    |

  3. The length of a sonometer wire tuned to a frequency of-256 Hz is 0.6 m...

    Text Solution

    |

  4. The fundamental frequency of a string stretched with a weight of 4 kg ...

    Text Solution

    |

  5. Two strings A and B of equal thickness are made of the same material. ...

    Text Solution

    |

  6. The density of the stretched string is changed by 2% without change in...

    Text Solution

    |

  7. The tension in the string is changed by 2% what is the change in the t...

    Text Solution

    |

  8. To increase the frequency by 20 % ,the tension in the string vibrating...

    Text Solution

    |

  9. When the tension in a string is increased by 44%. the frequency increa...

    Text Solution

    |

  10. A wire having a linear mass density 5.0 xx 10^(-3) kg//m is stretched ...

    Text Solution

    |

  11. In order to double the frequnecy of the fundamental note emitted by a ...

    Text Solution

    |

  12. Two uniform strings A and B made of steel are made to vibrate under th...

    Text Solution

    |

  13. Transverse waves are generated in two uniform steel wires A and B by a...

    Text Solution

    |

  14. The third overtone produced by a vibrating string 0.5m long is 1200Hz....

    Text Solution

    |

  15. A wave of frequency 100 Hz is sent along a string towards a fixed end....

    Text Solution

    |

  16. Two uniform strings A and B made of steel are made to vibrate under th...

    Text Solution

    |

  17. Two strings of the same material and the same area of cross-section ar...

    Text Solution

    |

  18. A unifrom rope of length L and mass m(1) hangs vertically from a rigid...

    Text Solution

    |

  19. A wave in a string has an amoplitude of 2cm. The wave travels in the p...

    Text Solution

    |

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

    Text Solution

    |