Dvds and blu-ray disks store information in patterns that are read by laser light. The shorter the wavelength of the light, the closer the data tracks can be placed on the disk.

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22-02-2022
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Dvds and blu-ray disks store information in patterns that are read by laser light. The shorter the wavelength of the light, the closer the data tracks can be placed on the disk.

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Tundexi Tundexi · Answer 1 · 2022-03-08T10:53:32+01:00

The discrepancies in the wavelength allows the Bluray Disk to store more information

What are the Disk Wavelenghts?

The wavelenght of the red light is around 700nm whereas the wavelenght of violet light is around 400nm.

Because the violet light has smaller wavelenght, the data tracks on a Blu-ray Disk can be spaced closer together thus, making its can store more information.

In conclusion, the discrepancies in the wavelength allows the Bluray Disk to store more information.

Missing information "Blu-ray player uses violet light; a DVD player uses red light. Which disk can store more information"