Violet

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All features, stories and articles tagged with: Violet


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Why's the Sun Red during Sunrise and Sunset?

Why's the Sun Red during Sunrise and Sunset?

As day breaks, a reddish-white ball of light that we call the sun, rises. This red haze gives way to a golden-white sheen as the day advances and reappears when the sun sets in the evening. Does the sun really change colours, or does it only seem so? The explanation lies in-between. Light from the sun consists of three kinds of radiation – ultra-violet rays, visible light and infra-red rays. Unlike visible light, ultra-violet rays and infra-red rays cannot be seen....

What is the Ozone Hole?

What is the Ozone Hole?

On beaches as well as on the cricket ground, it is always possible to spot people with some kind of cream on their bodies or faces. Remember the South African pace bowler Alan Donald or ‘White Lightning’ as he is called, with “war-paint” on his face? No, it is not an attempt at camouflage, simply an effort to gain protection from the ultraviolet rays of the sun. And therein lies a paradox – it is the light and heat of the sun that sustains life on earth, but among its many friendly rays are some harmful ones as well....

The Rainbow

Out in the lush, green garden Binnu chased the multi-coloured butterflies which flitted from flower to flower. Plants take root easily during the monsoon and with plenty of water to nourish them, new sprouts appear. The Rainbow [Translated by:Mala Singh] Suddenly there was a flash of lightening. Soon, the sky was completely overcast and it begun to rain. Binnu and his mother sheltered in the verandah and watched the rain. The rain stopped after a while and the sun peeped out from behind the clouds....

The Colours of Light

The Colours of Light

A beam of light seems to have no colour. Actually, it is made up of coloured rays. Usually, these coloured rays combine to form the white light. But it is possible to see the different colours at certain times. For instance, when it rains and the sun’s rays pass through raindrops. Since the raindrop has many sides or surfaces, the rays split up into a fanshape of different colours. And we see the rainbow. Violet, indigo, blue, green, yellow, orange and red....

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