Foundation
Physics Foundation
Refraction and parallel slab
Question
From the shown figure, name the lens which is plano-concave :
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Solution
Plano-concave lens:
The lens is flat on one side and diverging or concave (curved inside) on the other side. These lenses are thinner at centre and thicker at ends. From the given shapes we can say that lens D is plano-concave lens. Its left side is plane and right side is concave.
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