Reflection and Refraction

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What is reflection of light?

Reflection is the bouncing back of light rays when they hit a reflective surface.

What is refraction of light?

Refraction is the bending of light as it passes from one medium to another.

What is Snell's Law?

Snell's Law relates the angles of incidence and refraction to the indices of refraction of the two media.

What is total internal reflection?

Total internal reflection occurs when the angle of incidence exceeds the critical angle, causing light to be completely reflected within a medium.

What role do lenses play in refraction?

Lenses use refraction to converge or diverge light rays, forming images.

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