In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.
Refraction is the change in direction of light when it passes from one medium to another. The working of a lens is based on the refraction of light when they pass through it. Lens is a transparent ...
In a ray diagram, a concave lens is drawn as a vertical line with inward facing arrows to indicate the shape of the lens.
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