Question

when do you see a rainbow in the sky?how many colours are there in the rainbow? name them?
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Answer 1

Answer: We usually see rainbow after rainbow . When sunlight hits a rain droplet, some of the light is reflected. The electromagnetic spectrum is made of light with many different wavelengths, and each is reflected at a different angle. Thus, spectrum is separated, producing a rainbow.

there are seven colors in a rainbow

they are :

V - VIOLET

I - INDIGO

B - BLUE

G - GREEN

Y -YELLOW

O - ORANGE

R - RED