Light

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What is light and how is it produced?
A wave and is produced by luminous objects
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Ho does a light wave travel?
In a staright line
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Doe a light wave need particles to travel?
No
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What is the speed of light waves in a vacuum?
3x10 to the power of 8 m/s
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What is reflection?
When a light ray bounces back from a surface
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What is the normal?
It is a line at a right angle to the surface
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What is refraction?
When light bends as it crosses through a medium to another medium
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What happens when light goes through a less dense medium to a more dense medium?
Light bends towrds the normal
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What is the name of the rainbow effect in light?
A spectrum
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What is the order of colours?
It comes in a white light then comes out red,orange,yellow,green,blue,indigo,violet
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Which colour has the longest wavelength?
Red
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What happens to the colours when you have different filters?
They absorb all other colours except the colour that they are
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Other cards in this set

Card 2

Front

Ho does a light wave travel?

Back

In a staright line

Card 3

Front

Doe a light wave need particles to travel?

Back

Preview of the front of card 3

Card 4

Front

What is the speed of light waves in a vacuum?

Back

Preview of the front of card 4

Card 5

Front

What is reflection?

Back

Preview of the front of card 5
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