Malus's Law and Polarization of Light
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Questions and Answers

What does Malus's Law describe in relation to light?

  • The relationship between intensity and polarization angle (correct)
  • The speed of light in different media
  • The wavelength of light passing through a polarizer
  • The angle of incidence of light on a surface
  • In the experiment setup, what component is used to measure the intensity of light after passing through the analyzer?

  • Spectrometer
  • Oscilloscope
  • Photometer
  • Lux meter (correct)
  • Which of the following describes the relationship between initial intensity ( extit{I0}) and transmitted intensity ( extit{I}) according to Malus's Law?

  • I = I0 cos²θ (correct)
  • I = I0 tan²θ
  • I = I0 + θ
  • I = I0 sin²θ
  • What kind of light is emitted by the light source in this experiment?

    <p>Unpolarized light</p> Signup and view all the answers

    What happens to the light intensity when the angle between the polarizer and the analyzer is 90 degrees?

    <p>Intensity becomes zero</p> Signup and view all the answers

    What happens to the intensity of unpolarized light when it passes through a polarizing sheet?

    <p>The intensity is reduced to half.</p> Signup and view all the answers

    Which equation describes the transmitted intensity of polarized light through a second polarizing sheet at an angle?

    <p>$I = I_0 an^{2} heta$</p> Signup and view all the answers

    What is the effect on the transmitted light intensity when two polarizing sheets are oriented at an angle of $90^{ ext{o}}$?

    <p>The intensity is zero.</p> Signup and view all the answers

    What defines the transmission axis of a polarizing sheet?

    <p>The direction in which all electric field vectors vibrate.</p> Signup and view all the answers

    In the context of polarized light, what does the variable $ heta$ represent in the equation $I = I_0 ext{cos}^{2} heta$?

    <p>The angle between the electric field vector and the transmission axis.</p> Signup and view all the answers

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