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

What is the intensity of sound in normal conversation?

A

10 -20 dB

B

30-60 dB

C

70-90 dB

D

120-150 dB

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ENVIRONMENTAL ISSUES

    DINESH PUBLICATION ENGLISH|Exercise Check your grasp|18 Videos
  • ENVIRONMENTAL ISSUES

    DINESH PUBLICATION ENGLISH|Exercise Brain teasers-X|145 Videos
  • ECHINODERMATA

    DINESH PUBLICATION ENGLISH|Exercise REVISION QUESTIONS|65 Videos
  • EVIDENCES OF EVOLUTION

    DINESH PUBLICATION ENGLISH|Exercise CHECK YOUR GRASP|19 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 .