A low-powered laser light creates the pits on an optical disc, and a higher-powered laser light reads items from the disc by reflecting light through the top of the disc.

Question

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A low-powered laser light is used to read items from the disc by reflecting light off the surface, while during manufacturing, pits are physically stamped or burned onto the surface of an optical disc using a high-powered laser.

A Low-Powered Laser Light Creates the Pits on an Optical