How does polarizing light demonstrate the transverse nature of light waves?

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Homework Help Overview

The discussion revolves around understanding how polarizing light demonstrates the transverse nature of light waves, specifically focusing on the characteristics of polarized light and the underlying principles of electromagnetic waves.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the definition of polarization and the nature of vibrations in light waves. Questions arise regarding what is meant by the vibrations associated with polarized light and the relationship between electric charges and light waves.

Discussion Status

The conversation includes attempts to clarify the concept of polarization and the oscillation of electric and magnetic fields in electromagnetic waves. Some participants express confusion and seek further explanation, while others suggest resources for additional reading.

Contextual Notes

Participants are navigating foundational concepts related to electromagnetic waves and polarization, with some expressing uncertainty about the definitions and implications of these concepts.

hchakal
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Homework Statement


Explain how polarizing light shows light travels as a transverse wave.

The Attempt at a Solution


Light is generally an un-polarized electromagnetic wave but there are different ways that light waves are able to be polarized. I am unclear how the process of polarizing light shows that light travels as a transverse wave.
 
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What does it mean for light to be polarized?
 
vela said:
What does it mean for light to be polarized?
Polarized light waves are light waves in which the vibrations occur in a single plane?
 
Vibrations of what?
 
vela said:
Vibrations of what?
Im not sure.
 
Well, that's what your textbook is for.
 
vela said:
Well, that's what your textbook is for.
vibrations of the light wave?
 
hchakal said:
vibrations of the light wave?
vibrations of electric charges*
 
hchakal said:
vibrations of electric charges*

No. Vibrations of electric charge give rise to light waves, but the waves themselves can travel through empty space where there are no charges to vibrate. The electric and magnetic fields vibrate, and those are not material things.
 
  • #10
Ray Vickson said:
No. Vibrations of electric charge give rise to light waves, but the waves themselves can travel through empty space where there are no charges to vibrate. The electric and magnetic fields vibrate, and those are not material things.
I am clearly lost can you please explain the answer to me.
 
  • #11
hchakal said:
I am clearly lost can you please explain the answer to me.
Do you understand the concept of electric field?
 
  • #12
haruspex said:
Do you understand the concept of electric field?
yes
 
  • #13
hchakal said:
yes
Do you understand that an electromagnetic wave consists of an electric field and a magnetic field, at right angles, each oscillating?
 
  • #14
haruspex said:
Do you understand that an electromagnetic wave consists of an electric field and a magnetic field, at right angles, each oscillating?
some what
 

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