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10th Class Science Human Eye and Colourful World Question Bank Light and Human Eye

  • question_answer
    If the radius of curvature of a spherical mirror is 25 cm, what is its focal length?

    A) 25 cm              

    B) 20 cm

    C) 12.5 cm

    D) 50 cm

    E) None of these

    Correct Answer: C

    Solution :

    Not Available  


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