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प्रश्न
What do you mean by visible light?
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उत्तर
Visible light is a spectrum of a number of waves with different wavelength range from 400nm to 700nm (lnm = 10″9 meter) each wave has a definite wavelength represents a particular colour.
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संबंधित प्रश्न
Write true or false of the following statement.
The primary colours are red, blue and green.
Select the correct alternative
The primary colours are
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
Red + Blue = _______
Why does a piece of paper appear white in sunlight ? How would you expect it to appear when viewed in red light?
A rose appears red in white light. How will it appear in red light?
Give a reason for your answer.
White light is composed of ______.
The image of symmetrical letters like A, H, I, M, R, K, T, and U are not affected by lateral inversion.
We can not get white light when we mix seven colours.
