Question : An object which absorbs all colours and reflects none appears:
Option 1: white
Option 2: grey
Option 3: blue
Option 4: black
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Correct Answer: black
Solution : The correct answer is black .
An object that absorbs all colours and reflects none appears black. This is because the colour of an object is determined by the wavelengths of light it reflects. If an object absorbs all wavelengths of light, it does not reflect any colours to the observer's eyes, and it appears black.
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