Blu-ray makes use of the shorter wavelength of blue light to read and write even smaller pits on the optical disc surface for higher capacity. _________________________

Question

Quizplus · Accepted Answer

Blu-ray uses blue-violet laser light, which has a shorter wavelength than the red laser light used in DVDs, allowing it to read and write data in smaller pits, thus increasing storage capacity.

Blu-Ray Makes Use of the Shorter Wavelength of Blue Light