focal length of reading glass is 5cm .find its magnifying power
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Magnifying power
=1/f
=1/5cm
=(100/5)D
=20 D
Since, reading glass is a convex lens, Magnifying power is +20 D.
=1/f
=1/5cm
=(100/5)D
=20 D
Since, reading glass is a convex lens, Magnifying power is +20 D.
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