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Ray Optics Test...

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  • Question 1
    4 / -1

  • Question 2
    4 / -1

    Astigmatism (for a human eye) can be removed by using

  • Question 3
    4 / -1

    Circular part in the centre of retina is called

  • Question 4
    4 / -1

    The light gathering power of a camera lens depends on

  • Question 5
    4 / -1

    If there had been one eye of the man, then

  • Question 6
    4 / -1

    How should people wearing spectacles work with a microscope?

  • Question 7
    4 / -1

    Image is formed for the short sighted person at

  • Question 8
    4 / -1

    A man can see the object between 15 cm and 30 cm. He uses the lens to see the far objects. Then due to the lens used, the near point will be at

  • Question 9
    4 / -1

    If the distance of the far point for a myopia patient is doubled, the focal length of the lens required to cure it will become

  • Question 10
    4 / -1

    A defective eye cannot see close objects clearly becausetheir image is formed

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