Discussion
Assertion (A): Changing the illuminant used for assessment does not reduce metamerism.
Reason (R): The property resides in the spectral difference between the samples.
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 pair differs spectrally, and that difference is a property of the colourants themselves. Assessing under a different light changes which illuminant the failure shows up under, not whether it exists - the only remedy that removes metamerism is changing the colourants.
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