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Lenses and Mirrors
Term | Definition |
---|---|
light | energy moving through space from its source to an object and then from that object to our eyes |
Light travels at ... | 186.000 miles per second |
transparent | clear, light passes completely through |
translucent | light passes through but you cannot see objects on the other side clearly |
opaque | light cannot pass through |
artificial light | man made light (give examples) |
natural light | light in nature(God made) give examples |
How does light travel? | In straight lines |
reflect | to bounce off |
luminous | produces it's own light |
converge | focus |
diverge | scatter |
convex mirror | bulges out at the center and causes light to scatter(diverge) and make things look smaller. |
concave mirror | "caves in" or sinks in the center and causes light to focus(converge) and make things look bigger |