The sound level at a point 5.0 m away fr...

The sound level at a point 5.0 m away from a point source is 40 dB. What will be the level at a point 50 m away from the source ?

Text Solution

Verified by Experts

20 dB

Topper's Solved these Questions

WAVE MOTION AND SOUND
AAKASH SERIES|Exercise PROBLEMS (LEVEL - I)|59 Videos
WAVE MOTION
AAKASH SERIES|Exercise PRACTICE SHEET ADVANCED (INTEGER TYPE QUESTIONS)|10 Videos
WAVE OPTICS
AAKASH SERIES|Exercise PROBLEMS (LEVEL - II)|33 Videos

Similar Questions

Explore conceptually related problems

The sound level at a distance of 3.00 m from a source is 120 dB. At what distance will the sound level be (a) 100 dB and (b) 10.0 dB?

The intensity of sound from a point source is 1.0 xx 10^-8 Wm^-2 , at a distance of 5.0 m from the source. What will be the intensity at a distance of 25 m from the source ?

For light diverging from a point source

The sound level at a point is increased by 30 dB. What is factor is the pressure amplitude increased?

The speaker of a public address system emits 20 kW power, considering it a point source. What is the sound intensity level at a point 4.00 m away?

At a point 15 m away from the base of a 15 m high house, the angle of elevation of the top is

A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source ?

Spherical sound waves are emitted uniformly in all direction from a point source. The variation in sound level SL. As a function of distance r from the source can be written as where a and b are positive constants.

The angle of elevation of top of a tower from a point on the ground is 30^@ and it is 60^@ when it is viewed from a point located 40 m away from the initial point towards the tower the height of the tower is

AAKASH SERIES-WAVE MOTION AND SOUND-PROBLEMS (LEVEL - II)

Two identical tuning forks vibrating at the same frequency 256 Hz are ...
Text Solution
|
Two sound sources are moving in opposite directions with velocities v...
Text Solution
|
A 300 Hz source, an observer and wind are moving as shown in the figur...
Text Solution
|
A person standing on a road sends a sound signal to the driver of a ca...
Text Solution
|
A stationary sound sound 's' of frequency 334 Hz and a stationary ovs...
Text Solution
|
Spherical waves are emitted from a 1.0 W source in an isotropic non-ab...
Text Solution
|
The intensity of sound from a point source is 1.0 xx 10^-8 Wm^-2, at a...
Text Solution
|
Most people interpret a 9.0 dB increase in sound intensity level as a ...
Text Solution
|
About how many times more intense will the normal ear perceiver a soun...
Text Solution
|
The explosion of a fire cracker in the air at the a heigth of 40 m pro...
Text Solution
|
The sound level at a point 5.0 m away from a point source is 40 dB. Wh...
Text Solution
|
If the intensity of sound is doubled, by how many decibels does the so...
Text Solution
|
Sound with intensity larger than 120 dB appears painful to a person. A...
Text Solution
|
Two waves, each having a frequency of 100 Hz and a wavelength of 2.0 c...
Text Solution
|
Two waves, each having a frequency of 100 Hz and a wavelength of 2.0 c...
Text Solution
|
Two waves, each having a frequency of 100 Hz and a wavelength of 2.0 c...
Text Solution
|
Three component sinusoidal waves progressing in the same directions al...
Text Solution
|
A soldier walks towards a high wall taking 120 steps per minute. When ...
Text Solution
|
A man stands before a large wall at a distance of 50.0m and claps his ...
Text Solution
|
A road runs midway between two parallel rows of buildings. A motorist ...
Text Solution
|