. Can you identify lenses just by touching


Can you identify lenses just by touching?

(a) No.

(b) Yes.

(c) Only convex lenses.

(d) Only concave lenses.

 

Best Answer

Ans: (b)

 

Explanation: Both concave and convex lenses can be identified just by touching. Convex lenses are thicker in the middle than from the edges while concave lenses are thicker at the edges than in the middle.

 

 

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