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Sunlight - The Color of Sun Light, VIBGYOR - Dispersion Of Light
The gorgeous red hues of sunrise at the dawn, the golden white shimmering towards the noon, or the brilliant tangerine winter sunset over a snowy fiel
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Color Of Sunlight: White Or Colored?
The gorgeous red hues of sunrise at the dawn, the golden white shimmering towards the noon, or the brilliant tangerine winter sunset over a snowy field, the sun never ceases to awe us with its display of colors! But have you ever given a thought to the range of colors that you witness every day? When asked about the color of sunlight, a reflexive response would be, ‘yellow’ or ‘white’! You might also answer ‘red’ or ‘orange’ if ‘dawn and dusk’ pop up in your mind’s eye. Nevertheless, what really is the color of sunlight?
Demonstrating the color of sunlight through an experiment
Let us demonstrate the color of sunlight through a small activity.
Color Of Sunlight: White Or Colored?
Requirements: A prism and a white sheet of paper
Take a glass prism in a dark room
Place it in a position such that the direct sunlight falls on it through a hole in the window shutter of the room.
Fix the white paper on the opposite wall where the sunlight is reflected through the prism.
We observe on the paper that the sunlight is split into a spectrum of colors. Pretty much like the rainbow, every color in VIBGYOR, that is Violet, Indigo, Blue, Green, Yellow, Orange and Red can be seen. The conclusion drawn here is that sunlight is nothing but a mixture of seven colors. And these seven colors combine to form the white light.
Why Don’t We See Sunlight as Seven Colors?
When the sun rays enter the earth, they get distorted by the earth’s atmosphere, air molecules, dust, smoke and pollution. We know that different colors of the spectrum have different wavelengths. The short-wavelength blue and violet are scattered more than colors at the lower end of the spectrum which are less easily scattered.
: If the sun is high overhead in the sky, the rays suffer the least amount of interference because the distance covered by them is the least at that point in time. Consequently, the blue light is scattered and the sky appears blue whereas the color of sunlight appears yellow.
Morning and Evening
: During the sunrise and sunset, the sun is near the horizon due to which the light rays have to travel a longer distance through the atmosphere. As a result, there is more interference which causes more scattering. Consequently, most of the colors, including the blue as well as the yellow are scattered leaving the red light. Hence, the color of sunlight appears in the tinges of orange and red during dawn and dusk.
At the helm of GMS Learning is Principal Balkishan Agrawal, a dedicated and experienced educationist. Under his able guidance, our school has flourished academically and has achieved remarkable milestones in various fields. Principal Agrawal’s visio…
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