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A watch glass has uniform thickness, and...

A watch glass has uniform thickness, and the average radius of curvature of its two surfaces is much larger than its thickness. It is placed in the path of a beam of parallel lilght. The beam will

A

converge slightly

B

diverge slightly

C

be completely unaffected

D

converge or diverge slightly depending on whether the beam is incident from the concave or the convex side

Text Solution

Verified by Experts

The correct Answer is:
B
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