Question

(b) Mention two applications of : (i) lenses, (ii) plane mirrors.

Answer 1

$\huge\bold{Applications}$

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$\huge\bold{Plane\:Mirror}$

They are used in periscopes, for signalling, in kaleidoscopes, to see round dangerous bends, in meters, as mirror tiles, in a sextant, in an overhead projector, an SLR camera, car wing mirrors, in microscopes and as reflecting number plates to mention only some!

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$\huge\bold{Lenses}$

Lenses are used to focus light. Because focusing light is so important, you can find lenses in many places. Perhaps the most common lens that we see are the ones in peoples glasses.

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