Home
Class 12
PHYSICS
Decibel is...

Decibel is

A

musical instrument

B

musical note

C

measure of sould level

D

wavelength of noise

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SURFACE TENSION

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Question Given in MHT-CET )|31 Videos

  • WAVE THEORY OF LIGHT

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|303 Videos

Similar Questions

Explore conceptually related problems

If the intensity increased by a factor of 20, byhow may decibels is the sound level increased?

If the intensity is increased by a factor of 20 , by how many decibels is the intensity level increased.

A sound has an intensity of 2 xx 10^(-8) W//m^(2) . Its intensity level in decibels is (log_(10) 2 = 0.3)

Sound Levels In Decibels

If the intensity of sound is increased by a factor of 30, by how many decibels in the sound level increased :-

NIKITA PUBLICATION-WAVE MOTION-Multiple Choice Questions
  1. Intensity and loudness of sound depends on

    Text Solution

    |

  2. Intensity of sound wave is

    Text Solution

    |

  3. Decibel is

    Text Solution

    |

  4. A set of tones whose frequencies are integral multiples of the fundame...

    Text Solution

    |

  5. For constructive intergerence of sound waves the mathematical path dif...

    Text Solution

    |

  6. For destructive interference of sound waves the mathematical path diff...

    Text Solution

    |

  7. For constructive interference of sound waves the mathematical phase di...

    Text Solution

    |

  8. For destructive interference of sound waves the mathematical phase dif...

    Text Solution

    |

  9. Three waves producing displacement in the same direction of same frequ...

    Text Solution

    |

  10. If two sound waves of equal intensity I produce beats, then the maximu...

    Text Solution

    |

  11. The amplitude of sound is doubled and the frequency is reduced to one ...

    Text Solution

    |

  12. If two waves of intensity I and 4 I are super impose, then the minimum...

    Text Solution

    |

  13. The intensity ratio of two waves is 1 : 16. The ratio of their amplitu...

    Text Solution

    |

  14. Beats are produced due to the superposition of two progressive notes. ...

    Text Solution

    |

  15. Two sources of intensity I and 4 are used in an interference experimen...

    Text Solution

    |

  16. Beats are result of

    Text Solution

    |

  17. A sound wave of wavelength 32 cm enters the tube at S as shown in the ...

    Text Solution

    |

  18. When two progressive waves of nearly equal frequencies superimposed an...

    Text Solution

    |

  19. Three sound waves of equal amplitudes have frequencies (v - 1), v, (v ...

    Text Solution

    |

  20. Two tuning forks have frequencies 380 and 384 Hz respectively. When th...

    Text Solution

    |