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Ray Optics Test - 88
Result
Ray Optics Test - 88

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  • Question 1/10
    4 / -1
    The focal lengths of the objective and eye-lens of a microscope are 1 cm and 5 cm respectively. If the magnifying power for the relaxed eye is 45, then the length of the tube is
    Solutions

  • Question 2/10
    4 / -1
    The magnifying power of telescope is high if
  • Question 3/10
    4 / -1
    The focal length of the objective lens of a compound microscope is
    Solutions

  • Question 4/10
    4 / -1
    Microscope is an optical instrument which
  • Question 5/10
    4 / -1
    Magnifying power of a simple microscope is (when final image is formed at D = 25 cm from eye)
  • Question 6/10
    4 / -1
    If in compound microscope m1 and m2 be the linear magnification of the objective lens and eye lens respectively, then magnifying power of the compound microscope will be
    Solutions

  • Question 7/10
    4 / -1
    For which of the following colour, the magnifying power of a microscope will be maximum
    Solutions

  • Question 8/10
    4 / -1
    If the focal length of objective and eye lens are 1.2 cm and 3 cm respectively and the object is put 1.25 cm away from the objective lens and the final image is formed at infinity. The magnifying power of the microscope is
    Solutions

  • Question 9/10
    4 / -1
    An experiment is performed to find the refractive index of glass using a travelling microscope. In thisexperiment distances are measured by
  • Question 10/10
    4 / -1
    When the length of a microscope tube increases, its magnifying power
    Solutions

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