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Light Reflection and Refraction
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18/08/2021 2:09 pm
Topic starter
Which type of lenses are:
(a) thinner in the middle than at the edges?
(b) thicker in the middle than at the edges?
1 Answer
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18/08/2021 2:10 pm
(a) Concave lenses.
(b) Convex lenses.