Question

why we use lens ....???​

Answer 1

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What is Lens???

A lens is a curved piece of glass for viewing, and often magnifying, objects.

Uses:-

• The best use of lens is our eyes.

• Then lens are used in cameras, telescopes, microscopes, optical eye wears for visual disorders(correction glasses), basic one magnifying glass.

• They are used in front and back lighting systems of vehicals.

Answer 2

hope it helps you good afternoon...