X is thicker in the middle than at the edges, whereas, Y is thicker at – McqOptions

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1.	X is thicker in the middle than at the edges, whereas, Y is thicker at the edges than in the middle. Identify X and Y .
A.	X = concave lens; Y = convex lens
B.	X = convex lens; Y = concave lens
C.	X = plane lens; Y = convex lens
D.	X = concave lens; Y = plane lens
Answer» C. X = plane lens; Y = convex lens

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