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PHY-2022-CR6-008
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PHY · PHY-2022-CR6-008
Physics
A biconvex lens has radii of curvature, 20 cm each. If the refractive index of the material of the lens is 1.5, the power of the lens is
A
Infinity
B
+2 D
C
+20 D
D
+5 D
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