Which technology is used in Blu-ray discs to achieve higher capacity?

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Team JKSSB Mock Tests · Accepted Answer

Blu-ray discs use a blue-violet laser with a shorter wavelength (405 nm) than the red laser used in DVDs (650 nm), allowing smaller pits and more data per area.

Which technology is used in Blu-ray discs to achieve higher capacity? MCQ with Answer and Explanation

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