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Superposition of light waves of different colors
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$begingroup$
Can someone please assist? My question is regarding visible light. If, for example, red light and blue light are waves of different wavelengths and frequencies then how do they combine with all the other em waves on the visible spectrum to produce one wave of visible light? If waves of varying frequencies blend together then couldn’t all waves on the spectrum do so? I probably have a fundamental misunderstanding but I can’t seem to get my head around it.
visible-light electromagnetic-radiation frequency
edited 14 hours ago
Ben Crowell
52.2k6159306
asked 19 hours ago
BlobBlob
141
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Blob is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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$begingroup$
Can someone please assist? My question is regarding visible light. If, for example, red light and blue light are waves of different wavelengths and frequencies then how do they combine with all the other em waves on the visible spectrum to produce one wave of visible light? If waves of varying frequencies blend together then couldn’t all waves on the spectrum do so? I probably have a fundamental misunderstanding but I can’t seem to get my head around it.
visible-light electromagnetic-radiation frequency
edited 14 hours ago
Ben Crowell
52.2k6159306
asked 19 hours ago
BlobBlob
141
New contributor
Blob is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
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$begingroup$
What do you mean by "one wave of visible light"? Visible light from the Sun or a typical light bulb is a mixture of waves of many frequencies.
$endgroup$
– PM 2Ring
17 hours ago
add a comment |
$begingroup$
Can someone please assist? My question is regarding visible light. If, for example, red light and blue light are waves of different wavelengths and frequencies then how do they combine with all the other em waves on the visible spectrum to produce one wave of visible light? If waves of varying frequencies blend together then couldn’t all waves on the spectrum do so? I probably have a fundamental misunderstanding but I can’t seem to get my head around it.
visible-light electromagnetic-radiation frequency
edited 14 hours ago
Ben Crowell
52.2k6159306
asked 19 hours ago
BlobBlob
141
New contributor
Blob is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
$endgroup$
Can someone please assist? My question is regarding visible light. If, for example, red light and blue light are waves of different wavelengths and frequencies then how do they combine with all the other em waves on the visible spectrum to produce one wave of visible light? If waves of varying frequencies blend together then couldn’t all waves on the spectrum do so? I probably have a fundamental misunderstanding but I can’t seem to get my head around it.
visible-light electromagnetic-radiation frequency
visible-light electromagnetic-radiation frequency
edited 14 hours ago
Ben Crowell
52.2k6159306
asked 19 hours ago
BlobBlob
141
New contributor
Blob is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
edited 14 hours ago
Ben Crowell
52.2k6159306
asked 19 hours ago
BlobBlob
141
New contributor
Blob is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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edited 14 hours ago
Ben Crowell
52.2k6159306
edited 14 hours ago
Ben Crowell
52.2k6159306
edited 14 hours ago
Ben Crowell
52.2k6159306
52.2k6159306
asked 19 hours ago
BlobBlob
141
New contributor
Blob is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
asked 19 hours ago
BlobBlob
141
asked 19 hours ago
BlobBlob
141
141
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Blob is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor
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Check out our Code of Conduct.
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$begingroup$
What do you mean by "one wave of visible light"? Visible light from the Sun or a typical light bulb is a mixture of waves of many frequencies.
$endgroup$
– PM 2Ring
17 hours ago
add a comment |
$begingroup$
What do you mean by "one wave of visible light"? Visible light from the Sun or a typical light bulb is a mixture of waves of many frequencies.
$endgroup$
– PM 2Ring
17 hours ago
$begingroup$
What do you mean by "one wave of visible light"? Visible light from the Sun or a typical light bulb is a mixture of waves of many frequencies.
$endgroup$
– PM 2Ring
17 hours ago
$begingroup$
What do you mean by "one wave of visible light"? Visible light from the Sun or a typical light bulb is a mixture of waves of many frequencies.
$endgroup$
– PM 2Ring
17 hours ago
add a comment |
2 Answers
2
active
oldest
votes
$begingroup$
In some way this is similar to sound. The eardrum moves in response to the total sound pressure of all incoming waves. Then the ear does a kind of analog Fourier analysis, splitting the signal in different frequencies, mapped to different nerve cells in the auditory nerve.
The eye filters the total electric field by different pigments in different visual receptors (the cones). Some of these cone cells respond primarily to frequencies in the red, others to blue, others to green.
answered 16 hours ago
PieterPieter
8,57531435
$endgroup$
add a comment |
$begingroup$
Electromagnetic fields add with superposition, meaning that the field at a certain point in space is the sum of all present field components. We'd have a single resulting field with with different spectral component.
For example sunlight contains the visible light that we can observe but also contains UV-components which are very much there, but we can still see them.
Theoretically all waves on the electromagnetic spectrum can blend together in this way since the principle of superposition applies.
answered 18 hours ago
DakkVaderDakkVader
7519
$endgroup$
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
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$begingroup$
In some way this is similar to sound. The eardrum moves in response to the total sound pressure of all incoming waves. Then the ear does a kind of analog Fourier analysis, splitting the signal in different frequencies, mapped to different nerve cells in the auditory nerve.
The eye filters the total electric field by different pigments in different visual receptors (the cones). Some of these cone cells respond primarily to frequencies in the red, others to blue, others to green.
answered 16 hours ago
PieterPieter
8,57531435
$endgroup$
add a comment |
$begingroup$
In some way this is similar to sound. The eardrum moves in response to the total sound pressure of all incoming waves. Then the ear does a kind of analog Fourier analysis, splitting the signal in different frequencies, mapped to different nerve cells in the auditory nerve.
The eye filters the total electric field by different pigments in different visual receptors (the cones). Some of these cone cells respond primarily to frequencies in the red, others to blue, others to green.
answered 16 hours ago
PieterPieter
8,57531435
$endgroup$
add a comment |
$begingroup$
In some way this is similar to sound. The eardrum moves in response to the total sound pressure of all incoming waves. Then the ear does a kind of analog Fourier analysis, splitting the signal in different frequencies, mapped to different nerve cells in the auditory nerve.
The eye filters the total electric field by different pigments in different visual receptors (the cones). Some of these cone cells respond primarily to frequencies in the red, others to blue, others to green.
answered 16 hours ago
PieterPieter
8,57531435
$endgroup$
In some way this is similar to sound. The eardrum moves in response to the total sound pressure of all incoming waves. Then the ear does a kind of analog Fourier analysis, splitting the signal in different frequencies, mapped to different nerve cells in the auditory nerve.
The eye filters the total electric field by different pigments in different visual receptors (the cones). Some of these cone cells respond primarily to frequencies in the red, others to blue, others to green.
answered 16 hours ago
PieterPieter
8,57531435
edited 11 hours ago
answered 16 hours ago
PieterPieter
8,57531435
answered 16 hours ago
PieterPieter
8,57531435
answered 16 hours ago
PieterPieter
8,57531435
8,57531435
add a comment |
add a comment |
$begingroup$
Electromagnetic fields add with superposition, meaning that the field at a certain point in space is the sum of all present field components. We'd have a single resulting field with with different spectral component.
For example sunlight contains the visible light that we can observe but also contains UV-components which are very much there, but we can still see them.
Theoretically all waves on the electromagnetic spectrum can blend together in this way since the principle of superposition applies.
answered 18 hours ago
DakkVaderDakkVader
7519
$endgroup$
add a comment |
$begingroup$
Electromagnetic fields add with superposition, meaning that the field at a certain point in space is the sum of all present field components. We'd have a single resulting field with with different spectral component.
For example sunlight contains the visible light that we can observe but also contains UV-components which are very much there, but we can still see them.
Theoretically all waves on the electromagnetic spectrum can blend together in this way since the principle of superposition applies.
answered 18 hours ago
DakkVaderDakkVader
7519
$endgroup$
add a comment |
$begingroup$
Electromagnetic fields add with superposition, meaning that the field at a certain point in space is the sum of all present field components. We'd have a single resulting field with with different spectral component.
For example sunlight contains the visible light that we can observe but also contains UV-components which are very much there, but we can still see them.
Theoretically all waves on the electromagnetic spectrum can blend together in this way since the principle of superposition applies.
answered 18 hours ago
DakkVaderDakkVader
7519
$endgroup$
Electromagnetic fields add with superposition, meaning that the field at a certain point in space is the sum of all present field components. We'd have a single resulting field with with different spectral component.
For example sunlight contains the visible light that we can observe but also contains UV-components which are very much there, but we can still see them.
Theoretically all waves on the electromagnetic spectrum can blend together in this way since the principle of superposition applies.
answered 18 hours ago
DakkVaderDakkVader
7519
answered 18 hours ago
DakkVaderDakkVader
7519
answered 18 hours ago
DakkVaderDakkVader
7519
answered 18 hours ago
DakkVaderDakkVader
7519
7519
add a comment |
add a comment |
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$begingroup$
What do you mean by "one wave of visible light"? Visible light from the Sun or a typical light bulb is a mixture of waves of many frequencies.
$endgroup$
– PM 2Ring
17 hours ago