# What is quantum electrodynamics?

## Question:

What is quantum electrodynamics?

## Quantum Electrodynamics:

Quantum electrodynamics is one branch of the quantum theory that firstly developed by Dirac at about 120 years ago. It has been proved as the most successful physical theory since the agreement between the theoretical predictions and experimental data is extremely good (the theory corroborates the data up to 22nd decimal value).

## Answer and Explanation: 1

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View this answerQuantum electrodynamics deals with the interaction of light and matter at the atomic scale. On that scale, the various sub-atomic particles start to...

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Chapter 19 / Lesson 4Learn the definitions of quantum physics and quantum theory explained through examples. Explore the origin of quantum theory through its foundational laws.