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Question
The maximum magnifying power of a convex lens of focal length 5 cm can be ______.
Options
25
10
1
6
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Solution
The maximum magnifying power of a convex lens of focal length 5 cm can be 6.
Explanation:
Focal length of convex lens, f = +5 cm
magnifying power of convex lens (simple microscope) is
m = 1 + `"D"/"f"`
D is the distance of distinct vision, D = 25 cm
m = 1 + `25/5` = 6
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