Chapter 17 - Light and Image Formation
Chapter 17 - Light and Image Formation Chapter 17 - Light and Image Formation
Announcements Reflection and Refraction Image Formation Final QuestionsImages formed by refractionWe will now examine how images are formed when light rays follow the wave under refraction model at theboundary between two transparent materialsIn particular, we will be studying the images formed by thin lensesA thin lens is one whose thickness is negligible compared to its focal lengthImages formed by thin lenses satisfy the same equations as those for mirrorsSign conventions for mirrorsQuantity Positive When ... Negative When ...Object location (p) object is in front of mirror object is in back of mirror(real object) (virtual object)Image location (q) image is in front of mirror image is in back of mirror(real image) (virtual image)Magnification (M) image is upright image is invertedFocal length (f) mirror is concave mirror is convexSign conventions for thin lensesQuantity Positive When ... Negative When ...Object location (p) object is in front of lens object is in back of lens(real object) (virtual object)Image location (q) image is in back of lens image is in front of lens(real image) (virtual image)Magnification (M) image is upright image is invertedFocal length (f) a converging lens a diverging lensLight and Image Formation
Announcements Reflection and Refraction Image Formation Final QuestionsQuestionA converging lens has a focal length of 10.0 cm. An object is placed 30.0 cm from the lens. Find the imagedistance and describe the image.Light and Image Formation
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Announcements Reflection <strong>and</strong> Refraction <strong>Image</strong> <strong>Formation</strong> Final QuestionsQuestionA converging lens has a focal length of 10.0 cm. An object is placed 30.0 cm from the lens. Find the imagedistance <strong>and</strong> describe the image.<strong>Light</strong> <strong>and</strong> <strong>Image</strong> <strong>Formation</strong>
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