7) Complete the paragragh:
(reflective index, Christiaan Huyghens , violet , Sir Issac Newton, dispersion, spectrum, red ,
refractive index)
The prism itself does not give any colour. It simply splits white light into seven colours. This seven colour
band in called ................ . This phenomenon is called ............... .The reason of dispersion of light is
different ............... of a medium for different colours. ............... was the first person to use a glass prism to
obtain sun’s spectrum when white light is incident on the prism , different colours bend through different
angles. Among the seven colours, ............... bends the least, while ............... bends the most.
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Answer:
Christiaan Huyghens , violet , Sir Issac Newton, dispersion, spectrum, red
Explanation:
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