Question

what is a quanta explain

Answer 1

It is the smallest amount of energy which could be emitted or absorbed in the form of electromagnetic radiation

Answer 2

Answer:

Quanta are described as discrete packets of energy, because it requires a certain amount of energy  to excite electrons from one state to another. Same thing goes for energy that is released by an atom when an electron goes from a higher energy state to a lower energy state--it yields a certain discrete value of energy. These energy is referred to Quanta.

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