Physics, asked by royrumkichowdhary, 8 months ago

notes for light chapter​

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Answered by Anonymous
6

Explanation:

Introduction to Light – Reflection & Refraction

Light: Definition

Light is a form of energy that enables us to see things. Light starts from a source and bounces off objects which are perceived by our eyes and our brain processes this signal, which eventually enables us to see.

Nature of Light

Light behaves as a:

ray, e.g. reflection

wave, e.g. interference and diffraction

particle, e.g. photoelectric effect

Laws of Reflection

Light incident on another medium

When light travels from one medium to another medium it either:

gets absorbed (absorption)

bounces back (reflection)

passes through or bends (refraction)

When light is incident on a plane mirror, most of it gets reflected, and some of it gets absorbed in the medium.

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