Discussion
Assertion (A): Measurement can detect metamerism but cannot remove it.
Reason (R): The property resides in the colourants rather than in the measurement.
Answer: C
Correct answer: Both A and R are true, and R is the correct explanation of A
Both are true and the reason gives the mechanism. The spectral difference exists in the samples, and no amount of measuring changes it. Measurement’s contribution is to reveal the problem early, before production, so that the recipe can be reformulated with different colourants - which is the only thing that does remove it.
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