Home
Class 12
BIOLOGY
What is the intensity of sound in normal...

What is the intensity of sound in normal conversation?

A

10-20 deciBel

B

30-60 deciBel

C

70-90 deciBel

D

120-150 deciBel

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION D|15 Videos

  • ENVIRONMENTAL ISSUES

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION B|35 Videos

  • ECOSYSTEM

    AAKASH INSTITUTE ENGLISH|Exercise Section - D (Assertion - Reasion Type questions)|15 Videos

  • EVOLUTION

    AAKASH INSTITUTE ENGLISH|Exercise TRY YOURSELF|29 Videos

Similar Questions

Explore conceptually related problems

What is the intensity of sound during normal conversation?

What is the intensity of sound of 70 decibel ? ( Given the reference intensity I_0 = 10^(-12) " watt"//m^(2) )

What do you mean by intensity of sound?

What is meant by the intensity of a wave ?

Intensity level at a point is 100 dB. How much is the actual intensity of sound falling at that point ? Given threshold intensity of sound is 10^(-12) "Wm"^(-2) .

(a) What is the intensity of a 60 dB sound ? (b) If the sound level is 60 dB close to a speaker that has an area of 120 cm ^(2) . What is the acoustic power output of the speaker?

Two sources of sound S_1 and S_2 vibrate at same frequency and are in phase. The intensity of sound detected at a point P as shown in the figure is I_0 . (a) If theta equals 45^@ , what will be the intensity of sound detected at this point if one of the sources is switched off ? (b) What will be the answer of the previous part if theta= 60^@ ?

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

Assertion : Sound level increases linearly with intensity of sound. Reason : If intensity of sound is doubled, sound level increases approximatel 3 dB .

Assertion : Sound level increases linearly with intensity of sound. Reason : If intensity of sound is doubled, sound level increases approximatel 3 dB .

AAKASH INSTITUTE ENGLISH-ENVIRONMENTAL ISSUES-ASSIGNMENT SECTION C
  1. What is B.O.D. : -

    Text Solution

    |

  2. Which of the following is absent in polluted water?

    Text Solution

    |

  3. What is the intensity of sound in normal conversation?

    Text Solution

    |

  4. Fluoride pollutions mainly affects : -

    Text Solution

    |

  5. Escherichia coli is used as an indicator organism to determine polluti...

    Text Solution

    |

  6. Lead concentration in blood is considered alarming if it is

    Text Solution

    |

  7. Which of the following is not used for the disinfection of drinking wa...

    Text Solution

    |

  8. Which of the following organism is likely to have more concentration o...

    Text Solution

    |

  9. Climate of world is threatened by

    Text Solution

    |

  10. Which of the following contribute to green house effect?

    Text Solution

    |

  11. The true statement about "greenhouse effect" is that it is caused by:

    Text Solution

    |

  12. Country contributed maximum to hole formation in ozone layer is

    Text Solution

    |

  13. In coming years, skin related disorders will be more common due to

    Text Solution

    |

  14. Ozone hole is maximum over

    Text Solution

    |

  15. The supersonic jets cause pollution by the thinning of

    Text Solution

    |

  16. If there was no carbon dioxide in the Earth's atmosphere so the temper...

    Text Solution

    |

  17. Which important green house gas other than methane is being produc...

    Text Solution

    |

  18. Green house effect is

    Text Solution

    |

  19. Maximum green house gas released by which country : -

    Text Solution

    |

  20. Warm ocean surge of Peru Current that recurs after 5-8 years so in E...

    Text Solution

    |