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Question

LASER is a device that generates light by a process called _____________.

A
spontaneous emission
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B
stimulated emission
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C
both (a) and (b)
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D
excitation
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Solution

The correct option is B stimulated emission
Stimulated Emission
A laser is a dense that emits light through a process of optical amplification based on the stimulated emission of electro-magnetic radiation.

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