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All of the following should be recorded with a colour measurement EXCEPT

  • A.the number of layers and backing used
  • B.the ambient noise level in the laboratory
  • C.the instrument geometry and specular condition
  • D.the ultraviolet filter setting used

Answer: B

Correct answer: the ambient noise level in the laboratory

Sound has no effect on a colour measurement. The other three all change the result and must be recorded if it is to be reproduced: the layers and backing determine what light returns through a translucent sample, the geometry and specular condition determine what the instrument collects, and the ultraviolet setting determines whether a brightener contributes.

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