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  3. 8th Class
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8th Class Science Light Question Bank Light Formative Objective Problems

  • question_answer
    When we look at a distant object, the ciliary muscles__i__, making the eye lens __ii__. This iii the focal length of the eye lens so that the image of that object gets focused on the retina. The information in which alternative completes the given statements?

    A)  i-get released, ii-thicker, iii-decreases

    B)  i-contract, ii-thicker, iii-increases

    C)  i-get released, ii-thinner, iii-increses

    D)  i-contract, ii-thinner, iii-decreases

    Correct Answer: C

    Solution :

      In the case of an object situated at a distance, almost parallel rays of light enter our eyes. Hence, the eye lens does not require a high converging power. As a result, the ciliary muscles get released and make the eye lens thinner, which in turn increases the focal length of the eye lens. The correct answer is C.


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