Home
Class 12
PHYSICS
Two sound sources emitting sound each of...

Two sound sources emitting sound each of wavelength `lambda` are fixed at a given distance apart. A listener moves with a velocity `u` along the line joining the two suorces. The number of beats heard by him per second is

A

`(2u)/lambda`

B

`u/lambda`

C

`u/(2lambda)`

D

`lambda/u`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • THERMAL AND CHEMICAL EFFECTS OF CURRENt

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Exercise|34 Videos

  • WORK, ENERGY AND POWER

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise objective|51 Videos

Similar Questions

Explore conceptually related problems

There are three sources of sound of equal intensity with frequencies 400, 401 and 402 vib/sec . The number of beats heard per second is

Two adjacent piano keys are struck simultaneously. The notes emitted by them have frequencies n_(1) and n_(2) . The number of beats heard per second is

There are two sources of sound of equal intensity with frequencies 400Hz and 408Hz are vibrated together. The number of beats heard per second is

Two coherent sound sources A and B produce a sound of wavelength lambda. If at t=0 a detector starts moving with constant velocity v_(0) from point O along y - direction, then the minimum time, after which it detects the sound of maximum intensity, is (D gt gt lambda)

Two sound waves are given by y_(1) = A sin (1000 pit) and y_(2) = A sin (1008 pi t) . The number of beast heard per second is

two piano keys are stuck simultaneously. the notes emitted by them have a frequencies 250 Hz and 253 Hz. the number of Beats heard per second is

Beats are produced by two waves given by y_1 = a sin2000 pit and y_2 =asin2008 pit . The number of beats heard per second is

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-WAVES-All Questions
  1. Masses M(A) "and" M(B) hanging from the ends of strings of lengths L(A...

    Text Solution

    |

  2. A sonometer wire when vibrated in full length has frequency n. Now, it...

    Text Solution

    |

  3. Two sound sources emitting sound each of wavelength lambda are fixed a...

    Text Solution

    |

  4. Two waves of wavelength 50 cm and 51 cm produce 12 beat/s . The speed ...

    Text Solution

    |

  5. A standing wave having 3 nodes and 2 antinodes is formed between two a...

    Text Solution

    |

  6. In a sinusoidal wave the time required for a particular point to move ...

    Text Solution

    |

  7. A vehicle, with a horn of frequency n is moving with a velocity of 30 ...

    Text Solution

    |

  8. A transverse wave is represented by the equation y=y0sin.(2pi)/(lamd...

    Text Solution

    |

  9. A cylinderical tube open at both ends, has a fundamental frequency f i...

    Text Solution

    |

  10. A pulse of a wave train travel s along a stretched string and reaches ...

    Text Solution

    |

  11. Stationary waves are produced in 10 m long stretched string. If the st...

    Text Solution

    |

  12. The equation of a sound wave is y=0.0015sin(62.4x+316t) the wavelength...

    Text Solution

    |

  13. Two waves of same frequency and intensity superimpose on each other in...

    Text Solution

    |

  14. what is the effect of humidity on sound waves when humidity increases?

    Text Solution

    |

  15. A star which is emitting radiation at a wavelength of 5000A is approac...

    Text Solution

    |

  16. The speed of a wave in a medium is 760 m/s. If 3600 waves are passing ...

    Text Solution

    |

  17. A hospital uses an ultrasonic scanner to locate tumour in a tissue. Wh...

    Text Solution

    |

  18. Two waves are said to be cherent, if they have

    Text Solution

    |

  19. Two waves are approaching each other with a velocity of 20m//s and fre...

    Text Solution

    |

  20. From a wave equation y= 0.5 sin ((2pi)/3.2)(64t-x). the frequency...

    Text Solution

    |