Question

uses of reflection ......​

Answer 1

$\red{\fbox{\tt{Uses of Reflection:}}}$

➠Reflection is used in periscopes to view advancing enemies on the battlefield from a safe position.

➠Reflection is the reason why we see objects.

Reflection by a concave mirror and a convex mirror has many uses as listed above.

➠Reflection helps in medical diagnosis and optical communications.

➠Light and Sound both follow the law of reflection, both being waves.

➠Using the law of reflection for sound and light, we can measure the distances accurately to objects.

➠Reflection is the reason why we hear the echo of sound.

Answer 2

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• Uses of reflection

Concave mirrors are often used in torch lights or in the headlights of cars. The light travels in all directions from the light globe towards the mirror behind it. The rays are then reflected by the mirror and they form a beam of light (a bundle of parallel rays).

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