Question

What is rainbow? Write two condition necessary in the formation of rainbow.

Answer 1

rainbow occurs when the sunlight scatters into 7 colours i.e., VIBGYOR

Answer 2

an arch of colours visible in the sky, caused by the refraction and dispersion of the sun's light by rain or other water droplets in the atmosphere. The colours of the rainbow are generally said to be red, orange, yellow, green, blue, indigo, and violet.

And two conditions necessary are atmospheric refraction and dispersion of light.

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