Difference between revisions of "Refraction"
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===Refraction of Light=== | ===Refraction of Light=== | ||
: When [[light]] moves from one [[transparent]] [[medium]] to another it is '''refracted'''. | : When [[light]] moves from one [[transparent]] [[medium]] to another it is '''refracted'''. | ||
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| + | |[[File:LightRefraction1.png|center|300px]] | ||
| + | |[[File:LightRefraction2.png|center|300px]] | ||
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| + | | style="height:20px; width:200px; text-align:center;" |When a [[Light Ray|ray of light]] moves from [[air]] into [[water]] the [[Light Ray|ray]] is '''refracted''' towards the [[normal]]. | ||
| + | | style="height:20px; width:200px; text-align:center;" |When a [[Light Ray|ray of light]] moves from [[water]] into [[air]] the [[Light Ray|ray]] is '''refracted''' away from the [[normal]]. | ||
| + | |} | ||
Revision as of 12:02, 20 October 2018
Key Stage 3
Meaning
Refraction is when a wave changes direction as it moves from one medium to another.
About Refraction
- Waves travel in a straight line until they reach a new medium. If the wave can travel through the new medium it will change direction. This is called refraction.
- Refraction can happen to all waves.
Refraction of Light
- When light moves from one transparent medium to another it is refracted.
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| When a ray of light moves from air into water the ray is refracted towards the normal. | When a ray of light moves from water into air the ray is refracted away from the normal. |