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Q. |
Why does a black board appears black in color? |
A. | It reflects black color |
B. | It absorbs black color |
C. | It reflects all colors |
D. | It absorbs all the colours |
Answer» D. It absorbs all the colours | |
Explanation: When white light falls on an opaque body, it absorbs all the colors except one color which it reflects; this reflected color is the color of the body. |
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