2. Questions Bank
  3. 8th Class
  4. Science
  5. Light

8th Class Science Light Question Bank Light IIT JEE Objective Problems

  • question_answer
    The ciliary muscles of the human eye contract and relax in order to

    A)  adjust the size of the eyeball

    B)  adjust the focal length of the lens

    C)  control the amount of light entering the eye

    D)  prevent foreign elements from entering the eye

    Correct Answer: B

    Solution :

      Not Available


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