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ऑप्टिकल डिस्क में किस तकनीक का प्रयोग किया जाता है? , Which technology is used in optical disks?

Which technology is used in optical disks?




Solution
D. Laser



Explanation

The optical disc makes use of laser technology: digital data are recorded by burning a series of microscopic holes, or pits, with a laser beam into thin metallic film on the surface.

 Laser stands for "Light Amplification by Stimulated Emission of Radiation." In the context of optical disks, a laser is used to read and write data.

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