Home
Class 12
PHYSICS
Two sound waves of wave length 0.8m and ...

Two sound waves of wave length 0.8m and 0.81m produces 8 beats per second in air. The respective frequencies of the two waves are

A

320Hz and 312Hz

B

648Hz and 640Hz

C

340Hz and 348Hz

D

324Hz and 316Hz

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    MBD PUBLICATION|Exercise QUESTION BANK|218 Videos

  • WORK, ENERGY AND POWER

    MBD PUBLICATION|Exercise QUESTION BANK|205 Videos
MBD PUBLICATION-WAVES-QUESTION BANK
  1. A tuning fork A gives 4 beats per sec with a tuning fork B of frequenc...

    Text Solution

    |

  2. Two sound waves of equations y1 = 3 sin ( 200pi - 2pix/5) cm and y2 = ...

    Text Solution

    |

  3. Two sound waves of wave length 0.8m and 0.81m produces 8 beats per sec...

    Text Solution

    |

  4. A progressive sound wave of equation Y1=4sin20pi(30t-x/lambda) produce...

    Text Solution

    |

  5. Tuning fork A of frequency 258 cycle/sec gives 8 beats with a tuning f...

    Text Solution

    |

  6. Beats are produced by two progressive waves. Maximum loudness at the ...

    Text Solution

    |

  7. A tuning fork gives 5 beats /sec with another fork of 500Hz . When fir...

    Text Solution

    |

  8. In a stationary wave the amplitude of vibrating particle

    Text Solution

    |

  9. When a stationary wave is formed then the particles of the medium-

    Text Solution

    |

  10. For stationary waves, the particles of the medium perform-

    Text Solution

    |

  11. A stationary wave is produced if the individual wave is

    Text Solution

    |

  12. When standing waves are produced-

    Text Solution

    |

  13. In a stationary wave-

    Text Solution

    |

  14. Stationary wave donot transfer

    Text Solution

    |

  15. Stationary waves are

    Text Solution

    |

  16. All the medium particles along the path of stationary wave performs

    Text Solution

    |

  17. When a tuning fork vibrates, the wave produce are,

    Text Solution

    |

  18. The length of loop is equal to :

    Text Solution

    |

  19. In stationary waves the distance between a node and nearest antinodes ...

    Text Solution

    |

  20. The distance between successive nodes is

    Text Solution

    |