Home
Class 12
PHYSICS
At 16^(@)C two open organ pipes when wou...

At `16^(@)C` two open organ pipes when wounded together produce 51 beats in 3 seconds. How many beats/second will be produced, if the temperature rises to `51^(@)C` ? (Neglect increase in length of the pipe)

A

10 beats

B

18 beats

C

26 beats

D

cannot be predicted using above data.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • UNIT TEST PAPER NO.2

    MODERN PUBLICATION|Exercise MCQ|25 Videos
  • UNITS, MEASURMENTS, DIMENSIONS, ERRORS OF MEASUREMENTS

    MODERN PUBLICATION|Exercise Recent Competitive Questions|7 Videos

Similar Questions

Explore conceptually related problems

Two closed organ pipes, when sounded together give five beats per second. Their lengths are in the ratio of 100 : 101. The fundamental notes (in Hz) produced by them are

When two tunning forks A and B are sounded together , 4 beats per second are heard . The frequency of the fork B is 384 Hz . When one of the prongs of the fork A is filled and sounded with B , the beat frequency increases , then the frequency of the fork A is

A tuning fork of frequency 100 when sounded together with another tuning fork of unknown frequency produces 2 beats per sec . On loading the second tuning fork , sounded together with first tuning fork , produces one beat , then the frequency of the second tuning fork is

The string of a sonometer is divided into two parts with the help of a wedge. The total length of the string is 1 m and the two parts differ in length by 2 mom. When sounded together, they produced two beats. The frequencies of the notes emitted by the two parts are

Monochromatic light of wavelength 632.8 nm is produced by a helium-neon laser. The power emitted is 9.42 mW. (a) Find the energy and momentum of each photon in the light beam, (b) How many photons per second, on the average, arrive at a target irradiated by this beam? (Assume the beam to have uniform cross-section which is less than the target area), and (c) How fast does a hydrogen atom have to travel in order to have the same momentum as that of the photon?

Two stretched wire of same length, diameter and same material are in unison. The tension in one is increased by 2% and 2 beats per second are heard. What was the frequency of the note produced when they were in unison ?

MODERN PUBLICATION-UNIT TEST PAPER NO.4-MCQ
  1. The difference between the apparent frequency of a source of sound as ...

    Text Solution

    |

  2. An electric refrigerator abstracts 2000 calories from ice trays. The c...

    Text Solution

    |

  3. A car travelling at 10" ms"^(-1) sounds a horn, which has a frequency ...

    Text Solution

    |

  4. Two samples A and B of a gas are initially at the same temperature and...

    Text Solution

    |

  5. At 16^(@)C two open organ pipes when wounded together produce 51 beats...

    Text Solution

    |

  6. If the temperature of a black body is increased by 50% then the amount...

    Text Solution

    |

  7. Beats are produced by two waves y(1)=asin2000pit, and y^(2)=asin2008pi...

    Text Solution

    |

  8. A body cools from 60^(@)C to 50^(@)C in 10 minutes, when kept in air a...

    Text Solution

    |

  9. The temperature of hot and cold end of a 20 cm long rod in steady stat...

    Text Solution

    |

  10. Four indentical rods of same material are joined end to end to from a ...

    Text Solution

    |

  11. A uniform rope of length 12 metres and mass 6 kg hangs vertically from...

    Text Solution

    |

  12. A sphere of radius r, density d and specific heat S is heated to tempe...

    Text Solution

    |

  13. The correct curve showing maximum emissive power E(m) and absolute tem...

    Text Solution

    |

  14. In an adiabatic process wherein pressure is increased by 2/3%. If (C(p...

    Text Solution

    |

  15. The (W/Q) of a Carnot - engine is 1//6. Now thw temperature of sink is...

    Text Solution

    |

  16. A gas (gamma=1.5) is taken through adiabatic process in which volume i...

    Text Solution

    |

  17. Two identical rods of copper and iron are coated with wax uniformly. W...

    Text Solution

    |

  18. The motion of a particle executing simple harmonic motion is given by ...

    Text Solution

    |

  19. When the temperature of an ideal gas is increased by 600 K, the veloci...

    Text Solution

    |

  20. In Ingen Hauze's experiment, the wax melts up to lengths 10 and 25 cm ...

    Text Solution

    |