Q: What is the process by which light is emitted by an atom?

A Reflection
B Absorption
C Refraction
D Emission

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Answer: D

Explanation:

Answer: d) Emission

Explanation: Emission is the process by which light is produced by an atom when an electron moves from a higher energy level to a lower energy level and releases energy in the form of a photon.

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Q: What is the process by which light is emitted by an atom?

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