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प्रश्न
What did Newton demonstrate by his experiments with the prism?
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उत्तर
Newton demonstrated the phenomenon of dispersion of light by his experiments with the prism. He showed that white sunlight is in fact composed of seven colours: violet, indigo, blue, green, yellow, orange and red.
संबंधित प्रश्न
With the help of a labelled diagram, explain why the sun appears reddish at the sun-rise and the sun-set.
What colours lie on the two sides of the 'green colour' in the spectrum of white light?
How many colours are there in a full spectrum of white light? Write the various colours of spectrum in the order, starting with red.
What is tyndall effect? Explain with an example.
Which component of sunlight is scattered away when the sun appears red at sunrise or sunset?
How would the sky appear when seen from the space (or moon)? Give reason for your answer.
The clouds are seen white. Explain
Explain in brief the reason for the following :
Advanced sunrise
Explain in brief the reason for the following:
Twinkling of stars
What is meant by advance sunrise and delayed sunset? Draw a labelled diagram to explain these phenomena.
