State two differences between a convex and a concave lens.

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Solution

Convex lens Concave lens

A convex lens is thicker at the centre and thinner around the edges A concave lens is thicker around the edges and thinner at the centre

It is also called a converging lens as it converges the light rays at a point It is also called a diverging lens as the light rays appear to diverge from a point

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Convex lens	Concave lens
A convex lens is thicker at the centre and thinner around the edges	A concave lens is thicker around the edges and thinner at the centre
It is also called a converging lens as it converges the light rays at a point	It is also called a diverging lens as the light rays appear to diverge from a point