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  3. 10th Class
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10th Class Science Sample Paper Science Olympiad Model Test Paper-13

  • question_answer
    The radius of curvature of a spherical mirror is 50 cm. What is its focal length?

    A) 10 cm

    B) 25 cm

    C) 50 cm

    D)  100 cm

    E) None of these

    Correct Answer: B

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