Why do we see a rainbow in the sky only after rainfall?
NCERT Class X
Science - Exemplar Problems
Chapter_The Human Eye and
the Colourful World
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3
after the rain has ceased ,when the sun arrives the water droplets get dispersed on the sun rays and a rainbow is formed
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5
as we know there is dispersion of light [ which means from a galss prison if white light is passed it disperse into seven rainbow colours ]
while raining the small droplets act as glass and the sunlight passes through them but if there is no sunlight then dispersion will not occur...
while raining the small droplets act as glass and the sunlight passes through them but if there is no sunlight then dispersion will not occur...
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