Explained: What Are the Three branches of Optics in physics?

BY Team Aakash Byju's

Optics is a branch of physics that deals with the behaviour and properties of light.

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- Geometrical optics - Physical optics - Quantum optics

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Optics are useful in the study of the properties of visual, ultraviolet, and infrared light.

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Geometrical optics is a type of optics that studies light as a ray.

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These optical systems can show how images are formed by tracing the path of different rays.

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They are useful in surgeries on human tissues.

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Physical optics studies light as a wave.

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- Interference - Diffraction - Polarisation of light.

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- Quantum optics studies light as a particle. - These are used to study the theory of quantum mechanics.

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Quantum computing and Quantum cryptography are being explored by quantum optics.

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These are the 3 types of optics and their uses.

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