Optics and Refraction

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Questions and Answers

What does the refractive index of an optical medium indicate?

  • The density of the medium
  • The light bending ability of the medium (correct)
  • The temperature of the medium
  • The color of the medium

Which equation describes Snell's law of refraction?

  • $n_1 \tan \theta_1 = n_2 \tan \theta_2$
  • $n_1 \cos \theta_1 = n_2 \cos \theta_2$
  • $n_1 \sin \theta_1 = n_2 \cos \theta_2$
  • $n_1 \sin \theta_1 = n_2 \sin \theta_2$ (correct)

What do θ1 and θ2 represent in Snell's law of refraction?

  • Angle of refraction and angle of diffraction
  • Angle of incidence and angle of refraction (correct)
  • Angle of reflection and angle of transmission
  • Angle of incidence and angle of diffraction

What does the refractive index determine when light enters a material?

<p>How much the path of light is bent (B)</p> Signup and view all the answers

How is the speed of light in a medium related to the refractive index?

<p>$v = c/n$ (B)</p> Signup and view all the answers

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