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| Q. |
An object which absorbs all colours and reflects none appears: |
| A. | White |
| B. | Grey |
| C. | Blue |
| D. | Black |
| Answer» D. Black | |
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Explanation: A surface that absorbs all colours, reflecting none, is said to be black. Black is not a colour; it absorbs all the colours of the visible spectrum and reflects none of them to the eyes. White is a colour. |
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