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Ray Optics Test...

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  • Question 1
    4 / -1

    A person\'s near point is 50 cm and his far point is 3 m. Power of the lenses he requires for
    (i) reading and
    (ii) for seeing distant stars are

  • Question 2
    4 / -1

    Myopia is due to

  • Question 3
    4 / -1

    A person is suffering from the defect astigmatism. Its main reason is

  • Question 4
    4 / -1

    When objects at different distances are seen by the eye, which of the following remains constant?

  • Question 5
    4 / -1

    A person wears glasses of power – 2.0 D. The defect of the eye and the far point of the person without the glasses will be

  • Question 6
    4 / -1

    Match the List I with the List II from the combinations shown

  • Question 7
    4 / -1

    Near and far points of a human eye are

  • Question 8
    4 / -1

    Amount of light entering into the camera dependsupon

  • Question 9
    4 / -1

    A person uses spectacles of power +2 D. He is sufferingfrom

  • Question 10
    4 / -1

    A person suffering from \'presbyopia\' (myopia and hyper metropia both defects) should use

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  • Unanswered - 10

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