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What is Wave-particle duality

Wave-particle duality: The principle of quantum mechanics that entails that light (and, certainly, all other subatomic particles) at times act similar to a wave, and sometime act similar to a particle, based on the experiment you are executing. For example, the low frequency electromagnetic radiation tends to do something more similar to a wave than a particle; high frequency electromagnetic radiation tends to act more similar to a particle than a wave.

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