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प्रश्न
What information do we get about sunlight from the formation of a rainbow?
उत्तर
The formation of a rainbow in the sky shows that sunlight is a combination of seven colours.
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संबंधित प्रश्न
Why does the sun seem to rise two minutes before the actual sunrise and set two minutes after the actual sunset ? Explain with the help of labelled diagram.
What did Newton demonstrate by his experiments with the prism?
What is the order of colours in a rainbow, from the outside to the inside?
Which phenomenon makes us see the sun:
a few minutes before actual sunrise?
Which component of sunlight is scattered away when the sun appears red at sunrise or sunset?
Sunset is red because at that time the light coming from the sun has to travel:
(a) lesser thickness of earth's atmosphere
(b) greater thickness of earth's atmosphere
(c) varying thickness of earth's atmosphere
(d) along the horizon
In an experiment to study the scattering of light by passing a beam of white light through a colloidal solution of sulphur in a transparent glass tank:
Which colour is observed from the front of the glass tank? Does this colour correspond to the colour of sky on a clear day or the colour of sky around the sun at sunset?
Twinkling of stars is due to atmospheric
Is the position of a star as seen by us its true position? Justify your answer.
Why is the colour of the clear sky blue?
