Question

Can anyone tell me difference between concave and convex lens​

Answer 1

Concave lens are used for inverting images

Convex mirrors are used as rearing mirrors

Answer 2

Answer:

Sure,

• A concave lens is a diverging lens while convex lens is a converging lens
• A concave lens has negative power and focal length while a convex lens has both these values positive
• A concave lens has one or both surface bent inward while a convex lens has one or both surfaces bent outward (see diagram)
• In a concave lens, it is the thinnest and centre and thickest at edges whereas in a convex lens, it is thickest at centre and thinnest at the edges. (see diagram)
• Concave lenses always form virtual image whereas convex lens may form either real or virtual image

Hope it helps

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