Quiz 20 of 28

2018 Geography WAEC Theory Past Questions CBT*

Responses

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(7) (a) What does the acronym LASER stands for?

Solution

Light Amplification by Stimulated Emission of Radiation

(b) What is a laser?

Solution
A laser is a device that emits light through a process of optical amplification based
on the stimulated emission of electromagnetic radiation.

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