Home
Class 11
PHYSICS
Figure 7.88 shows a stretched string of ...

Figure 7.88 shows a stretched string of length `L` and pipes of length `L , 2L , L//2 and L//2` in options (a) , (b), (c ) and (d) respectively . The string 's tension is adjusted until the speed of waves on the string equals the speed of sound waves in the air . The fundamental mode of oscillation is the set up on the string . In which pipe will the sound produced by the string cause resonance ?

A

B

C

D

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVES AND OSCILLATIONS

    ALLEN |Exercise Part-2(Example)|15 Videos

  • WAVES AND OSCILLATIONS

    ALLEN |Exercise Part-3(Example)|32 Videos

  • SEMICONDUCTORS

    ALLEN |Exercise Part-3(Exercise-4)|50 Videos

Similar Questions

Explore conceptually related problems

In a standing transerse wave on a string :

Obtain the equation of speed of transverse wave on tensed (stretched) string.

A steel wire has a length of 12.0 m and a mass of 2.10 kg. What should be the tension in the wire is so that speed of a transverse wave on the wire equals the speed of sound in dry air is 343 ms ^(-1).

A string of mass per unit length mu is clamped at both ends such that one end of the string is at x = 0 and the other is at x =l . When string vibrates in fundamental mode, amplitude of the midpoint O of the string is a, tension in a, tension in the string is T and amplitude of vibration is A. Find the total oscillation energy stored in the string.

One end of a taut string of length 3m along the x-axis is fixed at x = 0 . The speed of the waves in the string is 100ms^(-1) . The other end of the string is vibrating in the y-direction so that stationary waves are set up in the string. The possible wavelength (s) of these sationary waves is (are)

Two vibrating strings of the same material but lengths L and 2L have radii 2r and r respectively. They are stretched under the same tension. Both the string vibrate in their fundamental nodes, the one of length L with freuqency v_(1) and the other with frequency v_(2) . the ratio v_(1)//v_(2) is given by

The extension in a string, obeying Hooke's law, is x. The speed of sound in the stretched string is v. If the extension in the string is increased to 1.5 x , the speed of sound will be :-

A rectangular frame is to be suspended symmetrically by two strings of equal length on two supports as shown in figure. It can be done in one of the following three ways, The tension in the strings will be

Obtain the equation of resultant displacement of two progressive harmonic waves on a stretched string.

ALLEN -WAVES AND OSCILLATIONS-Part-1(Exercise-05)[B]
  1. Figure 7.88 shows a stretched string of length L and pipes of length L...

    Text Solution

    |

  2. A string of length 0.4 m and mass 10^(-2) kg is clamped at one end . T...

    Text Solution

    |

  3. A train moves towards a stationary observer with speed 34 m//s. The tr...

    Text Solution

    |

  4. Two vibrating strings of the same material but lengths L and 2L have ...

    Text Solution

    |

  5. The ends of a stretched wire of length L are fixed at x = 0 and x = L....

    Text Solution

    |

  6. Two pulse in a stretched string whose centers are initially 8cm apart ...

    Text Solution

    |

  7. A siren placed at a railway platform is emitting sound of frequency 5 ...

    Text Solution

    |

  8. A sonometer wire resonates with a given tuning fork forming a standing...

    Text Solution

    |

  9. A police car moving at 22 m/s, chases a motorcylist. The police man so...

    Text Solution

    |

  10. In the experiment for the determination of the speed of sound in air u...

    Text Solution

    |

  11. A source of sound of frequency 600 Hz is placed inside water. The spee...

    Text Solution

    |

  12. A closed organ pipe of length L and an open organ pipe contain gass of...

    Text Solution

    |

  13. A source of sound of frequency 600 Hz is placed inside water. The spee...

    Text Solution

    |

  14. An open pipe is in resonance in 2nd harmonic with frequency f(1). Now ...

    Text Solution

    |

  15. A tuning fork of 512 H(Z) is used to produce resonance in a resonance ...

    Text Solution

    |

  16. A massless rod BD is suspended by two identical massless strings AB an...

    Text Solution

    |

  17. A transverse sinusoidal wave moves along a string in the positive x-di...

    Text Solution

    |

  18. A vibrating string of certain length l under a tension T resonates wit...

    Text Solution

    |

  19. The (x, y) co-ordinates of the corners of a square plate are (0, 0), (...

    Text Solution

    |

  20. A transverse sinusoidal wave of amplitude a, wavelength lambda and fre...

    Text Solution

    |

  21. As a wave propagates,

    Text Solution

    |