Physics: Refractive Index and Light Rays
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Physics: Refractive Index and Light Rays

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Questions and Answers

What physical quantity can refractive index be linked to?

  • Pressure
  • Density
  • Temperature
  • Speed of light (correct)
  • In which medium does light travel fastest?

  • Vacuum (correct)
  • Glass
  • Water
  • Air
  • How is the refractive index defined in terms of the speed of light in different media?

  • $\frac{v_1}{v_2}$ (correct)
  • $\frac{v_2}{v_1}$
  • $v_1 - v_2$
  • $v_1 + v_2$
  • Which medium has a refractive index closer to that of vacuum?

    <p>Air</p> Signup and view all the answers

    What does the refractive index ratio symbol n21 represent?

    <p>Refractive index of medium 2 with respect to medium 1</p> Signup and view all the answers

    What would happen to the refractive index if the speed of light in medium 2 decreased?

    <p>It would increase</p> Signup and view all the answers

    How is the ability of a medium to refract light expressed?

    <p>Refractive index</p> Signup and view all the answers

    What does optical density refer to?

    <p>Ability to refract light</p> Signup and view all the answers

    In which type of medium does light travel faster?

    <p>Rarer medium</p> Signup and view all the answers

    What is the relationship between refractive index and optical density?

    <p>Directly proportional</p> Signup and view all the answers

    Which type of medium bends light towards the normal?

    <p>Optically denser medium</p> Signup and view all the answers

    What property distinguishes an optically denser medium?

    <p>Larger refractive index</p> Signup and view all the answers

    What is the equation for the refractive index of medium 1 with respect to medium 2?

    <p>n21 = v1/v2</p> Signup and view all the answers

    What does the absolute refractive index of a medium represent?

    <p>The ratio of the speed of light in air to the speed of light in the medium</p> Signup and view all the answers

    What is the refractive index of water based on the information provided?

    <p>1.33</p> Signup and view all the answers

    How is the refractive index of medium nm defined?

    <p>nm = c/v</p> Signup and view all the answers

    Which equation represents the refractive index of medium 2 with respect to vacuum?

    <p>$n_2 = v/c$</p> Signup and view all the answers

    What does the refractive index of crown glass represent?

    <p>$n_g = 1.52$</p> Signup and view all the answers

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