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02_10_Two_Lens_Mirror

# 02_10_Two_Lens_Mirror - Today 2/10 o o o o Multiple Lens...

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Today 2/10 o Multiple Lens Systems 26.9 o Curved Mirrors 25.5-6 o Lab: Mirrors and Thin Lenses o HW: “2/10 Two Lenses” Due Thursday 2/12 o Exam I Thursday, Feb 13

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Reflection (Mirrors) When a ray of light reflects from a mirror the angle of incidence equals the angle of reflection. θ i θ r
An object is placed off to the side of a plane mirror. Where is the image? Ray Tracing This is a “virtual” image. The image is the same size as the object, same orientation, and the same distance behind the mirror.

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Flat (Plane) Mirrors How much mirror do I need to see my entire image? Find the image with a ray diagram. Only the top half!
Finding images for a concave (converging) mirror. Focal point = R/2 Center of curvature R R stands for the “radius of curvature” of the mirror

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Finding images for a concave (converging) mirror. Any ray parallel to the axis will be reflected through the focal point. C f Bend the rays at the dotted line to be consistent with the mirror equations. (We did the same thing when we when we bent the ray at the middle of the lens.)
Finding images for a concave (converging) mirror.

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02_10_Two_Lens_Mirror - Today 2/10 o o o o Multiple Lens...

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