Which of these statements about optical layers is true?
They can't be scratched under normal conditions.
O They should be cleaned with 100 percent cotton, such as a clean t-shirt..
They should be cleaned with a specialty brush.
They can only be cleaned in a lab setting



Answer :

Final answer:

Optical layers should be cleaned with non-abrasive materials like lens paper or cotton swabs to prevent scratching.


Explanation:

Optical layers need to be cleaned with lens paper or a pure cotton swab to avoid scratching them. Using non-abrasive materials is crucial for maintaining the quality of the optical layers.


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