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Today General Knowledge(GK)
Which one of the following types of laser is used in laser printers?
A)
Dye laser
B)
Excimer laser
C)
Gas laser
D)
Semiconductor laser

Correct Answer : Option (D) - Semiconductor laser



A semiconductor laser (LD) is a device that causes laser oscillation by flowing an electric current to semiconductor. It is used in Laser Printers.

Published On : June 14, 2021
Category : Science and Technology
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