Light Concept Map
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Light Concept Map - Presentation Transcript
- Light concept map
For the teacher – first slide shows the whole concept map the second slide shows a developing map to be used in teaching the ideas contained in the map. - 1. Image same size as object.
Properties of plane mirror image are::
2. Image is upright (not inverted).
Angle of incidence = angle of reflection
3. Image appears as far behind mirror as it is in front.
Law of reflection
Reflects
Rays
Shadow
300 000 000 m/s
343 m/s
On plane shiny surface it:
Light is represented by:
Speed is:
Much fast than sound which is
Object causes:
1
Absorbed
Opaque
Luminous
example
Sun
Light
When it hits a surface it can be
Objects make or reflect light called
Substance is:
Reflected
Transparent
Non-Luminous
Moon
example
2
When is passes into a new medium it is:
Object not clear:
Translucent
Caused by
Change in wave speed
Refracted
In a prism:
Law states:
Waves are dispersed in to a spectrum.
Wave bends towards the normal in the slower medium. - 1. Image same size as object.
Properties of plane mirror image are::
2. Image is upright (not inverted).
Angle of incidence = angle of reflection
3. Image appears as far behind mirror as it is in front.
Law of reflection
Reflects
Rays
Shadow
300 000 000 m/s
343 m/s
On plane shiny surface it:
Light is represented by:
Speed is:
Much fast than sound which is
Object causes:
1
Absorbed
Opaque
Luminous
example
Sun
Light
When it hits a surface it can be
Objects make or reflect light called
Substance is:
Reflected
Transparent
Non-Luminous
Moon
example
2
When is passes into a new medium it is:
Object not clear:
Translucent
Caused by
Change in wave speed
Refracted
In a prism:
Law states:
Waves are dispersed in to a spectrum.
Wave bends towards the normal in the slower medium.
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