A siren emitting a sound of frequency 10...

A siren emitting a sound of frequency 1000 vibrations per second is moving with a speed of `10 ms^(-1)`.What will be the frequency of sound, which a listener will hear when (i)the siren is moving towards him ? (ii)the siren is moving away from him ? Speed of sound in air =`340 ms^(-1)`.

Text Solution

Verified by Experts

The correct Answer is:

1033.3 Hz and 971.4 Hz

Topper's Solved these Questions

VECTORS
SL ARORA|Exercise Problems For Self Practice|56 Videos
Waves
SL ARORA|Exercise EXERCISE|558 Videos

Similar Questions

Explore conceptually related problems

A siren emitting sound of frequency 500 Hz is going away from a static listener with a speed of 50 m / sec . The frequency of sound to be heard, directly from the siren, is

A siren emitting a sound of frequency 2000 Hz moves away from you towards a cliff at a speed of 8 m/s. (a) What is the frequency of the sound you hear coming directly from the siren. (b) What is the frequency of sound you hear reflected off the cliff. Speed of sound in air is 330(m)/(s) .

A siren emitting sound of frequency 800 Hz is going away from a static listener with a speed of 30 m/s. Frequency of the sound to be heard by the listener is ( Take velocity of sound as 300 m/s )

A siren emitting a sound of frequency 1000 H_(Z) moves away from you towards a cliff at a speed of 10 m//s . (a) What is the frequency of the sounds, you hear coming directly from the sirven ? (b) What is the frequency of sounds you hear reflected off the cliff . Speed of sound in air is 330 m//s ?

A siren emiting sound of frequency 800Hz is going away from a static listence with a speed of 30 m//s frequency of sound to be beand by the listener is ("velocity of sound" = 330 m//s)

A siren emitting a sound of frequency 800 Hz moves away from an observer towards a cliff at a speed of 15ms^-1 . Then the frequency of sound that the observer hears in the echo reflected from the cliff is (Take velocity of sound in air =330ms^-1 )

What is the minimum distance required to hear an echo, when the speed of sound in air is 340 ms^(-1) ?

SL ARORA-WAVE MOTION-All Questions

A siren emitting a sound of frequency 1000 vibrations per second is mo...
Text Solution
|
A hospital uses an ultrasonic scanner to locate tumour in a tissue. Wh...
Text Solution
|
A radio station broadcasts its programme at 219.3 metre wavelength. De...
Text Solution
|
The audible range of a human ear is 20 Hz to 20 kHz. Convert this into...
Text Solution
|
A bat emits ultrasonic sound of frequency 1000 kHz in air. If the soun...
Text Solution
|
A stone dropped from the top of a tower of height 300 m high splashes...
Text Solution
|
How far does sound travel in air when a tuning fork of frequency 560 H...
Text Solution
|
A source of sound is placed at one end of an iron bar 2 km long. Two s...
Text Solution
|
Audible frequencies have a range 20 Hz to 20,000 Hz. Express this rang...
Text Solution
|
For aluminium , the modulus of rigidity is 2.1xx10^(10)Nm^(-2 and dens...
Text Solution
|
The mass of a 4.0 m long wire is 0.01 kg, and it is stretched by a for...
Text Solution
|
A steel wire has a length of 12.0m and a mass of 2.10kg. What should b...
Text Solution
|
A string of mass 2.50kg is under a tension os 200N. The length of the ...
Text Solution
|
A copper wire is held at the two ends by rigid supports. At 30^(@)C, t...
Text Solution
|
In a sonometer experiment, the density of material of the wire used in...
Text Solution
|
For aluminium the bulk modulus and modulus of rigidity are 7.5xx10^(10...
Text Solution
|
For a steel rod, the Young's modulus of elasticity is 2.9xx10^(11)N//m...
Text Solution
|
At a pressure of 10^(5)N//m^(2), the volumetric strain of water is 5xx...
Text Solution
|
Estimate the speed of sound in air at standard temperature and pressur...
Text Solution
|
At what temperature will the speed of sound be double its value at 273...
Text Solution
|
By how much the wave velocity increases for 1^(@)C rise of temperature...
Text Solution
|