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  3. 7th Class
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7th Class Science Sample Paper Science Olympiad Model Test Paper-13

  • question_answer
    If distance of centre of curvature and focus of a spherical mirror is A m, find the distance between focus and pole of the mirror.

    A) 2A m

    B) A m

    C) 3A m

    D) A/4 m

    E) None of these

    Correct Answer: B

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