Discussion
Assertion (A): The same object can appear to be two different colours.
Reason (R): Colour depends on the illuminant and the observer as well as the object.
Answer: C
Correct answer: Both A and R are true, and R is the correct explanation of A
Both are true and the reason is the whole of the explanation. Since colour depends on the illuminant and the observer as well as the object, changing either changes the perception while the object is untouched. This is why a fabric chosen in a shop can look quite different in daylight, and why the illuminant must be stated with any colour specification.
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