robbinsaj15
robbinsaj15 robbinsaj15
  • 24-03-2021
  • Physics
contestada

A laser is used to make a CD or DVD by _____.

A laser is used to make a CD or DVD by class=

Respuesta :

Udagawa
Udagawa Udagawa
  • 24-03-2021

Answer:

A)  

Explanation:

Inside your CD player, there is a miniature laser beam called a semiconductor diode laser and a small photoelectric cell an electronic light detector. The laser flashes up onto the shiny side of the CD, bouncing off the pattern of pits  and lands  on the disc.

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