Question

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What is the difference between convex and concave mirrors ? Draw the diagrams of a
concave and convex mirros.
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Answer 1

Explanation:

A lens which is thicker in middle and thinner at edges is called a convex lens.

A lens which is thinner in middle and thicker at edges is called a concave lens.

Answer 2

Answer:

Spherical mirrors whose inner side is reflecting are called concave mirrors. Spherical mirrors whose outer side is reflecting are called convex mirrors. It's focus and centre of curvature lies behind the mirror.

Explanation: