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Ray Optics and ...

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  • Question 1
    4 / -1

    For a total internal reflection, which of the following is correct?

  • Question 2
    4 / -1

    Light travels in two media A and B with speeds 1.8 x 108 m s-1 and 2.4 x 108 m s-1 respectively. Then the critical angle between them is

  • Question 3
    4 / -1

    Critical angle of glass is θ1 and that of water is θ2. The critical angle for water and glass surface would be (μg = 3/2, μw = 4/3).

  • Question 4
    4 / -1

    Critical angle for light going from medium (i) to (ii) is θ. The speed of light in medium (i) is v, then the speed of light in medium (ii) is

  • Question 5
    4 / -1

    A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45∘. For which of the following value of μ. the ray can undergo total internal reflection?

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