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

  • question_answer
    A long vertical pin placed at 40 cm, in front of a concave mirror gives an image at the same position. The focal length of the mirror in meters is

    A)  0.2 m         

    B)  0.4 m

    C)  0.6 m                   

    D)  0.8 m

    Correct Answer: A

    Solution :

      Not Available   


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