Question

what is a concave lens​

Answer 1

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. 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

Answer 2

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concave lens are the lens which diverges the rays .Thus,these types of lens called as a diverging lens .These lens are thicker from middle and thin at the ends which diverges the light beams or rays .

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