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Convex and concave lenses - PowerPoint PPT Presentation

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Title:

Convex and concave lenses

Description:

... that the lens is drawn as a straight line with arrowheads to represent its shape. ... All rays should have arrowheads. on them, showing direction of travel ... – PowerPoint PPT presentation

Number of Views:7825
Avg rating:3.0/5.0
Date added: 5 December 2009
Slides: 36
Added by: Username withheld or not provided
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