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What is the angle of incidence at which light is completely polarized upon refle

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Question: What is the angle of incidence at which light is completely polarized upon reflection?

Options:

  1. 0 degrees
  2. 45 degrees
  3. 60 degrees
  4. Brewster\'s angle

Correct Answer: Brewster\'s angle

Solution:

Light is completely polarized upon reflection at Brewster\'s angle, which is given by the formula tan(θ_B) = n2/n1.

What is the angle of incidence at which light is completely polarized upon refle

Practice Questions

Q1
What is the angle of incidence at which light is completely polarized upon reflection?
  1. 0 degrees
  2. 45 degrees
  3. 60 degrees
  4. Brewster's angle

Questions & Step-by-Step Solutions

What is the angle of incidence at which light is completely polarized upon reflection?
Correct Answer: Brewster's angle
  • Step 1: Understand that when light hits a surface, it can be reflected or refracted.
  • Step 2: Know that polarization is when light waves vibrate in a specific direction.
  • Step 3: Learn about Brewster's angle, which is the angle at which light is completely polarized upon reflection.
  • Step 4: The formula for Brewster's angle (θ_B) is tan(θ_B) = n2/n1, where n2 is the refractive index of the second medium and n1 is the refractive index of the first medium.
  • Step 5: To find Brewster's angle, you need to know the refractive indices of the two materials involved.
  • Step 6: Calculate Brewster's angle using the formula by dividing n2 by n1 and then taking the arctangent (inverse tangent) of that value.
  • Brewster's Angle – The angle of incidence at which light is completely polarized upon reflection, defined by the relationship between the indices of refraction of the two media.
  • Polarization of Light – The orientation of light waves in a particular direction, which can occur upon reflection at certain angles.
  • Refraction and Reflection – The behavior of light as it passes between different media, including how it reflects and refracts at boundaries.
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