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Question
A piece of paper appears black in sunlight, how will it appear in the red light?
A piece of paper appears black in sunlight, how will it appear in the red light?
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Solution
The correct option is B Black
The sunlight is a combination of seven colours. These colours are violet, indigo, blue, green, yellow, orange and red (VIBGYOR). When it falls on a black coloured object, all the colours are absorbed and reflects no light. So even when it is observed in red light, it will appear black as it reflects no light.
The sunlight is a combination of seven colours. These colours are violet, indigo, blue, green, yellow, orange and red (VIBGYOR). When it falls on a black coloured object, all the colours are absorbed and reflects no light. So even when it is observed in red light, it will appear black as it reflects no light.
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