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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.
Fill in the blank
The colour of an opaque object is the colour of light which it _______
Fill in the blank
Magenta, cyan and yellow are the ________ colours.
What are the secondary colours ? Name the three secondary colours.
Fill in the blank with the appropriate colour
Green + Red = ______
Why does a piece of paper appear white in sunlight ? How would you expect it to appear when viewed in red light?
Discuss and write:
Write a science-based paragraph on ‘What if the sun did not rise?’
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 ______.
______ colour is scattered the least by air molecules.
