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प्रश्न
Why does a piece of paper appear white in sunlight ? How would you expect it to appear when viewed in red light?
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उत्तर
A piece of paper appears white in sunlight because it reflects light of all the colours. It would appear red when viewed in red light.
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संबंधित प्रश्न
Write true or false of the following statement.
A black paper absorbs light of all the colours and reflects none.
Fill in the blank
Magenta, cyan and yellow are the ________ colours.
Select the correct alternative
The primary colours are
Fill in the blank with the appropriate colour
Red + Blue = _______
Fill in the blank with the appropriate colour
Green + Red = ______
The leaves appear green when seen in white light. Give a reason.
A rose appears red in white light. How will it appear in red light?
Give a reason for your answer.
If we mix lights of the colours of the rainbow we will get ______.
When all colours of visible light strikes the retina of our eye at the same time, our brain perceives ______.
What is meant by synthesis of colour?
