arvin-ash 1 year ago
explanations #Science

Why Does Light Exist? | What is Its Purpose?

What is the purpose of light? How does light work? Why does Light exist? There had been a controversy about whether light was particles or waves.

Albert Einstein showed that light must come in discrete packets of energy which today we call photons, because that’s the only way to explain the photoelectric effect. 

Arvin Ash
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