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Ray Optics Test...

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  • Question 1
    4 / -1

    When light travels from one medium to the other of which the refractive index is different, then which of the following will change?

  • Question 2
    4 / -1

    A light wave has a frequency of 4 × 1014 Hz and awavelength of 5 × 10–7metres in a medium. The refractive index of the medium is

  • Question 3
    4 / -1

    How much water should be filled in a container 21 cm in height, so that it appears half filled when viewed from the top of the container (given that αµω = 4/3)

  • Question 4
    4 / -1

    Monochromatic light is refracted from air into the glass of refractive index µ. The ratio of the wavelength of incident and refracted waves is

  • Question 5
    4 / -1

    The refractive indices of glass and water w.r.t. air are 3/2 and 4/3 respectively. The refractive index of glass w.r.t. water will be

  • Question 6
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    If µ0 be the relative permeability and K0 the dielectric constant of a medium, its refractive index is given by

  • Question 7
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    If the speed of light in vacuum is C m/sec, then the velocity of light in a medium of refractive index 1.5

  • Question 8
    4 / -1

    A ray of light is incident on the surface of a glass plate of thickness t. If the angle of incidence θ is small, the emerging ray would be displaced side ways by an amount [take n = refractive index of glass]

  • Question 9
    4 / -1

    Monochromatic light of wavelength 589 nm is incident from air on a water surface. The refractive index of water is 1.33. The wavelength of the refracted light is

  • Question 10
    4 / -1

    Which of the following is not a correct statement?

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