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प्रश्न
Write the approximate wavelength for red light.
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उत्तर
For red light, approximate wavelength = 8000 Å.
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संबंधित प्रश्न
Name three factors on which the deviation produced by a prism depends and state how does it depend on the factors stated by you.
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In following figure shows a thin beam of white light from a source S striking on one face of a prism.
Complete the diagram to show effect of prism on the beam and to show what is seen on the screen.
In following diagram shows a thin beam of white light from a source S striking on one face of a prism.
What conclusion do you draw from the observation in part (b) above?
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(ii) Draw another diagram to show how the colours of spectrum of white light can be combined
to give the effect of white light.
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