A person is talking in a small room and ...

A person is talking in a small room and the sound intensity level is `60dB` everywhere within the room. If there are eight people talking simultaneously in the room, what is the sound intensity level?

`60 dB`

`68 dB`

`74 dB`

`81 dB`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

SOUND WAVES
RESONANCE|Exercise Exercise- 2 PART - I|25 Videos
SOUND WAVES
RESONANCE|Exercise Exercise- 2 PART - II|20 Videos
SOUND WAVES
RESONANCE|Exercise Exercise- 1 PART - I|34 Videos
SIMPLE HARMONIC MOTION
RESONANCE|Exercise Exercise|28 Videos
STRING WAVES
RESONANCE|Exercise Exercise|32 Videos

Similar Questions

Explore conceptually related problems

A person is talking in a small room and the sound intensity level is 60dB everywhere within the room. If there ar eight people talking simultaneously in the room, what is the sound intensity level?

When a person wears a hearing aid, the sound intensity level increases by 30 dB. The sound intensity increases by

At a distance of 5.0 m from a point sound source, the sound intensity level is 110 dB. At what distance is the intensity level 95 dB?

A person speaking normally produces a sound intensity of 40 dB at a distance of 1 m . If the threshold intensity for reasonable audibility is 20 dB , the maximum distance at which he can be heard cleary is.

Two sounds differ in sound level by 3.00 dB. What is the ratio of the greater intensity to the smaller intensity?

A person standing at distance r from a point source listen the sound emitted by the source. When person move to another point having distance (r )/(10) from the point source, then increase in sound intensity level is nxx10^(1) decibles value of n is ?

RESONANCE-SOUND WAVES-Exercise- 1 PART - II

What happens when a sound wave interfers with another wave of same fre...
Text Solution
|
Sound waves from a tuning fork F reach a point P by two separate route...
Text Solution
|
Sound signal is sent through a composite tube as shown in the figure. ...
Text Solution
|
A person is talking in a small room and the sound intensity level is 6...
Text Solution
|
An inteference is observed due to two coherent sources A and B separat...
Text Solution
|
When a sound wave is reflected from a wall the phase difference betwee...
Text Solution
|
If lambda(1), lambda(2), lambda(3) are the wavelengths of the waves gi...
Text Solution
|
An open organ pipe of length L vibrates in its fundamental mode. The p...
Text Solution
|
The fundamental frequency of a closed organ pipe is same as the first ...
Text Solution
|
Two identical tubes A and B are kept in air and water respetively as s...
Text Solution
|
A tube of diameter d and of length l unit is open at both ends. Its fu...
Text Solution
|
The second overtone of an open pipe A and closed pipe B have the same ...
Text Solution
|
A resonance tube is resonated with tuning fork of frequency 256 Hz. If...
Text Solution
|
A sound source of frequency 512 Hz is producing 6 beats with a guitar....
Text Solution
|
Three sound waves of equal amplitudes have frequencies (v - 1), v, (v ...
Text Solution
|
A closed organ pipe and an open organ pipe of same length produce 4 be...
Text Solution
|
Which of the following does not affect the apparent frequency in doppt...
Text Solution
|
An engine driver moving towards a wall with velocity of 50 ms^(-1) emi...
Text Solution
|
Source and observer start moving simulatneously along x and y-axis res...
Text Solution
|
A small source of sound moves on a circle as shown in figure and an ob...
Text Solution
|