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How does a sound wave propagate?

How does a steady wind flow generate sound?How does sound travel in space?Can sound be propagated without initial mechanical interference?what is the effect of a sound wave at the opposite side of its direction?What is the mechanism that moves an air molecule backwards in a sound wave?How does a tranverse wave propagate?Why we hear almost same sound from both end of a rod when we hit just one end of it?What prevents sound to be just wind?How would reversed sound sound like in real life?Why does sound wave travel faster in solid medium than in fluid medium?

2

1

$begingroup$

So , Sound travels by vibration , but vibration is only a one dimensional motion. Left and right. So the air molecules only move towards the left or right. So the sound wave only propagates left or right. But what if we are perpendicular to the oscillation. How do we hear sound?

waves acoustics

share|cite|improve this question

edited 1 hour ago

Qmechanic♦

106k121921212

asked 2 hours ago

Sarvesh ThiruppathiSarvesh Thiruppathi

212

New contributor

Sarvesh Thiruppathi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  $begingroup$
  it is not that simple . see hyperphysics.phy-astr.gsu.edu/hbase/Sound/sprop.html and links
  $endgroup$
  – anna v
  2 hours ago
  

  
  
  
  

add a comment | 

2

1

$begingroup$

So , Sound travels by vibration , but vibration is only a one dimensional motion. Left and right. So the air molecules only move towards the left or right. So the sound wave only propagates left or right. But what if we are perpendicular to the oscillation. How do we hear sound?

waves acoustics

share|cite|improve this question

edited 1 hour ago

Qmechanic♦

106k121921212

asked 2 hours ago

Sarvesh ThiruppathiSarvesh Thiruppathi

212

New contributor

Sarvesh Thiruppathi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  $begingroup$
  it is not that simple . see hyperphysics.phy-astr.gsu.edu/hbase/Sound/sprop.html and links
  $endgroup$
  – anna v
  2 hours ago
  

  
  
  
  

add a comment | 

$begingroup$

So , Sound travels by vibration , but vibration is only a one dimensional motion. Left and right. So the air molecules only move towards the left or right. So the sound wave only propagates left or right. But what if we are perpendicular to the oscillation. How do we hear sound?

waves acoustics

share|cite|improve this question

edited 1 hour ago

Qmechanic♦

106k121921212

asked 2 hours ago

Sarvesh ThiruppathiSarvesh Thiruppathi

212

New contributor

Sarvesh Thiruppathi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

share|cite|improve this question

edited 1 hour ago

Qmechanic♦

106k121921212

asked 2 hours ago

Sarvesh ThiruppathiSarvesh Thiruppathi

212

New contributor

Sarvesh Thiruppathi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|cite|improve this question

edited 1 hour ago

Qmechanic♦

106k121921212

asked 2 hours ago

Sarvesh ThiruppathiSarvesh Thiruppathi

212

New contributor

Sarvesh Thiruppathi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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edited 1 hour ago

Qmechanic♦

106k121921212

edited 1 hour ago

Qmechanic♦

106k121921212

asked 2 hours ago

Sarvesh ThiruppathiSarvesh Thiruppathi

212

New contributor

Sarvesh Thiruppathi is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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asked 2 hours ago

Sarvesh ThiruppathiSarvesh Thiruppathi

212

3 Answers
3

active

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2

$begingroup$

vibration is only a one dimensional motion

This is not generally true. As a trivial example, one could the movements of water in a pond where a few small rocks have been tossed. The motion is definitely a wave behavior, and could even be called vibration, but it is most definitely not one dimensional.

Another potential example would be the vibrator on your phone, which vibrates in a circular manner.

But in the end, the key is that atoms in a sound wave don't vibrate "left and right." They are a longitudinal wave, in which particles move in the direction of the wave's motion and back.

So when something causes a sound, the waves propagate outward from the object creating the sound, as molecules of gas move away from the source and towards the source. This is typically a 3 dimensional pattern

share|cite|improve this answer

answered 2 hours ago

Cort AmmonCort Ammon

23.4k34778

$endgroup$

add a comment | 

1

$begingroup$

Sound wave is not a transverse wave, as you thought. That means the vibration and the direction of propagation for sound wave are parallel. And the vibration is caused by difference in air pressure at different places. To the question "how I can listen to it" thats because the pressure difference propagates toward your ear and force your eardrum to vibrate.

share|cite|improve this answer

answered 2 hours ago

user10842694user10842694

111

New contributor

user10842694 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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add a comment | 

0

$begingroup$

Sound travels outwards from a source in all directions. The waves that are set in motion are spherical.

share|cite|improve this answer

answered 2 hours ago

niels nielsenniels nielsen

20.2k53061

$endgroup$

add a comment | 

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2

$begingroup$

vibration is only a one dimensional motion

This is not generally true. As a trivial example, one could the movements of water in a pond where a few small rocks have been tossed. The motion is definitely a wave behavior, and could even be called vibration, but it is most definitely not one dimensional.

Another potential example would be the vibrator on your phone, which vibrates in a circular manner.

But in the end, the key is that atoms in a sound wave don't vibrate "left and right." They are a longitudinal wave, in which particles move in the direction of the wave's motion and back.

So when something causes a sound, the waves propagate outward from the object creating the sound, as molecules of gas move away from the source and towards the source. This is typically a 3 dimensional pattern

share|cite|improve this answer

answered 2 hours ago

Cort AmmonCort Ammon

23.4k34778

$endgroup$

add a comment | 

2

$begingroup$

vibration is only a one dimensional motion

This is not generally true. As a trivial example, one could the movements of water in a pond where a few small rocks have been tossed. The motion is definitely a wave behavior, and could even be called vibration, but it is most definitely not one dimensional.

Another potential example would be the vibrator on your phone, which vibrates in a circular manner.

But in the end, the key is that atoms in a sound wave don't vibrate "left and right." They are a longitudinal wave, in which particles move in the direction of the wave's motion and back.

So when something causes a sound, the waves propagate outward from the object creating the sound, as molecules of gas move away from the source and towards the source. This is typically a 3 dimensional pattern

share|cite|improve this answer

answered 2 hours ago

Cort AmmonCort Ammon

23.4k34778

$endgroup$

add a comment | 

$begingroup$

vibration is only a one dimensional motion

This is not generally true. As a trivial example, one could the movements of water in a pond where a few small rocks have been tossed. The motion is definitely a wave behavior, and could even be called vibration, but it is most definitely not one dimensional.

Another potential example would be the vibrator on your phone, which vibrates in a circular manner.

But in the end, the key is that atoms in a sound wave don't vibrate "left and right." They are a longitudinal wave, in which particles move in the direction of the wave's motion and back.

So when something causes a sound, the waves propagate outward from the object creating the sound, as molecules of gas move away from the source and towards the source. This is typically a 3 dimensional pattern

share|cite|improve this answer

answered 2 hours ago

Cort AmmonCort Ammon

23.4k34778

$endgroup$

share|cite|improve this answer

answered 2 hours ago

Cort AmmonCort Ammon

23.4k34778

answered 2 hours ago

Cort AmmonCort Ammon

23.4k34778

answered 2 hours ago

Cort AmmonCort Ammon

23.4k34778

1

$begingroup$

Sound wave is not a transverse wave, as you thought. That means the vibration and the direction of propagation for sound wave are parallel. And the vibration is caused by difference in air pressure at different places. To the question "how I can listen to it" thats because the pressure difference propagates toward your ear and force your eardrum to vibrate.

share|cite|improve this answer

answered 2 hours ago

user10842694user10842694

111

New contributor

user10842694 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

add a comment | 

1

$begingroup$

Sound wave is not a transverse wave, as you thought. That means the vibration and the direction of propagation for sound wave are parallel. And the vibration is caused by difference in air pressure at different places. To the question "how I can listen to it" thats because the pressure difference propagates toward your ear and force your eardrum to vibrate.

share|cite|improve this answer

answered 2 hours ago

user10842694user10842694

111

New contributor

user10842694 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

add a comment | 

$begingroup$

Sound wave is not a transverse wave, as you thought. That means the vibration and the direction of propagation for sound wave are parallel. And the vibration is caused by difference in air pressure at different places. To the question "how I can listen to it" thats because the pressure difference propagates toward your ear and force your eardrum to vibrate.

share|cite|improve this answer

answered 2 hours ago

user10842694user10842694

111

New contributor

user10842694 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

$endgroup$

share|cite|improve this answer

answered 2 hours ago

user10842694user10842694

111

New contributor

user10842694 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 2 hours ago

user10842694user10842694

111

New contributor

user10842694 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

answered 2 hours ago

user10842694user10842694

111

0

$begingroup$

Sound travels outwards from a source in all directions. The waves that are set in motion are spherical.

share|cite|improve this answer

answered 2 hours ago

niels nielsenniels nielsen

20.2k53061

$endgroup$

add a comment | 

0

$begingroup$

Sound travels outwards from a source in all directions. The waves that are set in motion are spherical.

share|cite|improve this answer

answered 2 hours ago

niels nielsenniels nielsen

20.2k53061

$endgroup$

add a comment | 

$begingroup$

Sound travels outwards from a source in all directions. The waves that are set in motion are spherical.

share|cite|improve this answer

answered 2 hours ago

niels nielsenniels nielsen

20.2k53061

$endgroup$

share|cite|improve this answer

answered 2 hours ago

niels nielsenniels nielsen

20.2k53061

answered 2 hours ago

niels nielsenniels nielsen

20.2k53061

answered 2 hours ago

niels nielsenniels nielsen

20.2k53061