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JEE Main & Advanced Physics Ray Optics Question Bank Numerical Value Type Questions - Reflection at Plane and Curved Surface

  • question_answer
    Using a certain concave mirror, the magnification is found to be 4 times as great when the object was 25 cm from the mirror as it was with the object at 40 cm from the mirror, the image being real in each case. The focal length of the mirror is \[f\]cm. Determine the value of\[\frac{f}{10}\].

    Answer:

    2.00


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