How Many Colours Does Sunlight Have? - Mocomi.com Learn about those colours with the help of this physics for kids http://mocomi.com/how-many-colours-do-sunlight-have/

1. Physics for
Kids
mocomi.com/learn/science/physics/
How Many Colours
Does Sunlight Have?
Sunlight is made up of a mixture of red,
orange, yellow, green, blue, violet and
indigo. These colours are the same as that
of a rainbow. A prism can be used to see all
the colours of the sun. When light passes
through a prism, it bends. Each colour can
be seen at a different angle. Violet bends
the most while red bends the least.
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2. How Many Colours
Does Sunlight Have?
WHY DONT WE USUALLY SEE SUNLIGHT
AS SEVEN COLOURS?
We assume sunlight to be white it colour.
This is because when all the colours are
mixed up, it produces white.
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3. How Many Colours
Does Sunlight Have?
ADDITION
AL INFOR
MATION
Light refracts, or bends, when it passes
from one medium to another. Every colour
of sunlight has a different wavelength.
When sunlight passes through a prism, the
light separates into its constituent colours with the shorter wavelengths refracting at greater angles than the longer
wavelengths. Since violet light has the
shortest wavelength, it bends the most;
red light has the longest wavelength, so it
bends the least.
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4. How Many Colours
Does Sunlight Have?
ject
Pro
For more such fun physics articles and videos, visit:
http://mocomi.com/learn/science/physics/
Cut out a circle from a piece of card and
paint it the colours of the rainbow: red,
orange, yellow, green, blue, indigo and
violet. Stick a pencil through the middle of
the card and spin it. It will look white.
Hold a prism up into the sunlight. Direct
light through it and see for yourself if you
see all the colours of the sun.
Watch the experiment "Invisible Glass
Trick" on www.mocomi.com to understand
'refraction of light' better.
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Copyright © 2012 Mocomi & Anibrain Digital Technologies Pvt. Ltd. All Rights Reserved.