Question

what is a different between blue-ray player and CD player​

Answer 1

Answer:

Simple they use different lazer

Explanation:

Cd full form compact disc they use normal laser (red laser 650 nm, has longer wave length compared to Blu ray) for printing data on them and they only store less data compared to Blu ray Now blu ray use blue laser has shorter wave length compared to cd (405nm) has more capabilities like more storage hd display etc

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