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Class 10 Science Medium Mcq English Medium

A lens bounded by two spherical surfaces curved inward, thicker at the edges than the middle, is called a

Question
A lens bounded by two spherical surfaces curved inward, thicker at the edges than the middle, is called a
convex lens
concave lens
plano-convex lens
biconvex lens
Answer
concave lens
Detailed Explanation
The chapter defines a double concave (concave) lens as one curved inward on both surfaces, thicker at the edges than the middle.
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