When parallel light rays exit a concave lens, the light rays diverge converge come together
A concave lens will diverge parallel rays of light passing through it.
Concave lens are transparent double-sided material made of glass or any other transparency materials which bend light rays when they pass through them.
Concave lenses are diverging lenses which spread light rays apart when they pass through them.
Concave lenses are used to treat shortsightedness in people with eye defects.
Therefore, when parallel light rays exit a concave lens, the light rays diverge.
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