A concave lens is a lens that possesses at least one surface that curves inwards. It is a diverginglens, meaning that it spreads out light rays that have been refracted through it. A concave lens is thinner at its centre than at its edges, and is used to correct short-sightedness (myopia)
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Answer:
C.mirror
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Answer:
B. Concave
Step-by-step explanation:
A concave lens is a lens that possesses at least one surface that curves inwards. It is a diverging lens, meaning that it spreads out light rays that have been refracted through it. A concave lens is thinner at its centre than at its edges, and is used to correct short-sightedness (myopia)