8th Class Science Light Question Bank Light Formative Objective Problems

  • question_answer
    The focal length of the eye lens is adjusted by the

    A)  vitreous humour            

    B)  aqueous humour

    C)  ciliary muscles    

    D)  optic nerves

    Correct Answer: C

    Solution :

      In the human eye, the ciliary muscles are attached with the eye lens. These muscles on contracting or relaxing make the eye lens thin or thick respectively. The focal length of the eye lens also changes with its thickness. The correct answer is C.       


You need to login to perform this action.
You will be redirected in 3 sec spinner