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CBSE Class 10 Answered

Why does a concave lens diverge a rays of light?
Asked by rushabhjain.a | 10 Mar, 2019, 09:20: PM
answered-by-expert Expert Answer
A process like convex lens takes place for concave lenses. If you draw a concave surface, you’ll note that the “normal” to the concave surface is always pointing towards a focus on the Object side (whereas for a convex lens, the normal would point to the focus on the image side). This geometry explains why the output from a concave lens is diverging, effectively deviating away from the geometrical central axis of the lens.
Answered by Ankit K | 10 Mar, 2019, 10:13: PM

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CBSE 10 - Physics
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