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I Wonder Why – Why Clouds Turn Black When It Rains?

darkness

Why are rain Clouds Black?

● Clouds are formed of tiny water droplets and ice crystals that float in the air.

● Clouds appear white because of the scattering of sunlight.

● Sunlight consist of seven colours of a rainbow. When light passes through

clouds, all the seven colours are scattered by the water droplets and ice particles

and together they produce a white appearance.

● Rain Clouds, however, are densely packed with water droplets, ice and snow

particles. So, light cannot penetrate them. Thus we do not see the rays from the

sun and this results in a dark effect.

● If we look from an aircraft flying at a high altitude, these dark clouds will look

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white. This is due to the reflection of light falling on them.

● That means the same clouds appear both dark and white at the same time!

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