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The power of convex lens of focal length 20 cm is ______.
Science and Technology
Wonders of Light 1
Question
Updated
19 Aug 2026
The power of convex lens of focal length 20 cm is ______.
A
Choose Your Answer
A
+5.0 D
B
0.20 D
C
-5.0 D
D
0.5 D
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