Difference between concave and convex lens ???
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A convex lens is thicker at the centre and thinner at the edges. A concave lens is thicker at the edges and thinner at the centre. Due to the converging rays, it is called a converging lens. Due to the diverging rays, it is called a diverging lens.
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CONCAVE LENS
it is called diverging lens
it diverges a parallel beam of light
it is thinner in the middle and thicker at the edges
it is used in Galilean telescope
CONVEX LENS
it is called converging lens
it converges a parallel beam of light
it is thicker in the middle and thinner at the edges
it is used in Astronomical telescope
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