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Wave Optics Test - 15
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Wave Optics Test - 15
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  • Question 1/10
    4 / -1
    A light beam is incident at θ on an interface of air glass such that angle between reflected and refracted beam is 900. Then θ is
    Solutions

  • Question 2/10
    4 / -1
    Out of the following statements which is not correct
  • Question 3/10
    4 / -1
    Polaroid glass is used in sun glasses because
  • Question 4/10
    4 / -1
    What changes on polarization of light ?
  • Question 5/10
    4 / -1
    When light is incident at polarizing angle, which is completely polarised ?
  • Question 6/10
    4 / -1
    A beam of unpolarised light passes through a tourmaline crystal A and then through another such crystal B oriented so that its principal plane is parallel to A. The intensity of emergent light is I0. Now B is rotated by 45o about the ray.The emergent light will have intensity
    Solutions

  • Question 7/10
    4 / -1
    The time period of rotation of the sun is 25 day s and its radius is 7 × 108 m. the Dopper shift for the light of wavelength 6000Å emitted from the surface of the sun will be
    Solutions

  • Question 8/10
    4 / -1
    The expression for apparent frequency of light when a source is moving towards earth is
    Solutions

  • Question 9/10
    4 / -1
    Which of the following is used in optical fibres?
  • Question 10/10
    4 / -1
    In Young’s double slit experiment, distance between tow sources is 0.1 mm. The distance of screen form the sources is 20 cm.Wavelength of light used is 5460 Å Then angular position of first dark fringe is A.
    Solutions

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