A laser is produces a very narrow beam of light that is useful in many technologies and instruments. The letters in the word laser stand for Light Amplification by Stimulated Emission of Radiation. Here are notes to it so go through these once and learn the topics in a better and simple way. You will get these materials very easily and these are understandable in a simple form.

Metaphysics +4 more

by Sujal Gera

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10 Attachments 3 years ago