Question

Difference between convex lens and concave lens .

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Answer 1

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# a lens which is thicker at the centre and thinner at its ends is called convex lens

# it is also known as converging lens because it converge a parallel beam of light rays passing through it

# a lens which is thinner at the centre and thicker at its ends is called a concave lens

# it is also known as diverging lens because it diverges a parallel beam of light rays passing through it

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Answer 2

Answer:

Explanation:

A convex lens is a converging lens. When parallel rays of light pass through a convex lens, the refracted rays converge at the focal point. ... Concave lenses are thinner at the middle. Rays of light that pass through the lens are spread out (they diverge).