Lenses Ray Diagrams

• A LENS IS ANY OBJECT THAT ALLOWS LIGHT TO PASS AND REFRACTS LIGHT.

• REFRACT = TO CHANGE THE DIRECTION OR BEND.

REFRACTION OCCURS WHEN LIGHT PASSES FROM ONE DENSITY OF MEDIUM TO ANOTHER DENSITY OF MEDIUM.

EACH MEDIUM ALLOWS LIGHT TRAVEL AT A CONSTANT SPEED. WHEN LIGHT CHANGES SPEED, IT REFRACTS.

• CONVERGING LENSES

• DIVERGING LENSES

• WE USE LENSES TO HELP OUR EYES REFOCUS LIGHT FOR BETTER VISION.

• GENERALLY, WE SAY THAT LENSES BROADEN OUR FIELD OF VISION.

• CREATE UPSIDE DOWN IMAGES.

• ALLOW LIGHT TO COME TOGETHER.

• CURVATURE DETERMINES THE DISTANCE AT WHICH LIGHT FOCUSES.

CONVERGING LENSES

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• MAKES LIGHT SPREAD OUT.

• LIGHT NEVER FOCUSES BEYOND THE LENS.

DIVERGING LENSES

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