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Assertion (A): Narrow band sources can score well on the general index yet render saturated colours poorly.
Reason (R): The eight general test samples are all unsaturated pastel colours.

  • A.A is true but R is false
  • B.A is false but R is true
  • C.Both A and R are true, and R is the correct explanation of A
  • D.Both A and R are true, but R is not the correct explanation of A

Answer: C

Both are true and the reason gives the weakness, and the special samples R9 to R14 were added for this reason. The R9 red value in particular is frequently quoted separately. Strong reds expose the weakness most clearly.

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