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Light Reflectio...

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  • Question 1
    1 / -0

    A spherical mirror and a thin spherical lens have each a focal length of $$-15$$ cm. The mirror and lens are likely to be :

  • Question 2
    1 / -0

    The center of the imaginary glass sphere of which the lens is a part is known as?

  • Question 3
    1 / -0

    A point within the lens, where a line drawn through the diameter of lens meets principal axis is known as

  • Question 4
    1 / -0

    The speed of light in glass slab is ________ compared to that in air. Fill in the gap.

  • Question 5
    1 / -0

    Which of the below term has the property where light rays passing through this point emerge without deviation from lens?

  • Question 6
    1 / -0

    Which of the below is one of the laws of refraction?

  • Question 7
    1 / -0

    A parallel beam of light rays travelling parallel to principal axis after passing through the lens actually meet. This phenomena happens for which type of lens?

  • Question 8
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    What is principal focus for concave lens?

  • Question 9
    1 / -0

    How many center of curvatures does a biconvex lens possess?

  • Question 10
    1 / -0

    What is refraction?

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