O Level physics topic 14 Light by engrkiran/stem learners

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physics O Level topic 14 Light
in this video, reflection of light, types of reflection (regular and diffused reflection) are discussed in detail.
how we can perform experiment to illustrate laws of reflection?
refraction of light is also discussed along with laws of refraction in which definition of refractive index is also elaborated.
total internal reflection phenomenon is also discussed here in detail.
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