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प्रश्न
A red rose is seen in green light. It will appear ______.
विकल्प
red
blue
yellow
black
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उत्तर
A red rose is seen in green light. It will appear black.
Explanation:
A red rose is seen in green light. It will appear black. This is because a red object reflects red light and absorbs other colours. Since green light contains no red wavelengths, the rose absorbs all the green light and reflects none, making it appear black.
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संबंधित प्रश्न
Write true or false of the following statement.
A rose appears red in light of all the colours.
Fill in the blank
Magenta, cyan and yellow are the ________ colours.
What are the primary colours ? Name the three primary colours.
What are the secondary colours ? Name the three secondary colours.
Fill in the blank with the appropriate colour
Blue + _______ = Cyan
Fill in the blank with the appropriate colour
Green + Red = ______
The leaves appear green when seen in white light. Give a reason.
Why does a piece of paper appear white in sunlight ? How would you expect it to appear when viewed in red light?
If we mix lights of the colours of the rainbow we will get ______.
We can not get white light when we mix seven colours.
