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The Human Eye and Colourful World
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29/08/2021 12:06 pm
Topic starter
(a) What is spectrum? What is the name of glass shape used to produce a spectrum?
(b) How many colours are there in a full spectrum of white light? Write the various colours of spectrum in the order, starting with red.
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29/08/2021 12:07 pm
(a) The band of seven colours formed on a white screen, when a beam of white light is passed through a glass prism is called spectrum of white light. A glass prism is used to produce a spectrum.
(b) There are seven colours in the spectrum of white light. The colours are Red, Orange, Yellow, Green, Blue, Indigo and Violet.