curved mirrors terminology center of curvature - c; the center of the original sphere radius of...
TRANSCRIPT
![Page 1: Curved Mirrors Terminology center of curvature - C; the center of the original sphere radius of curvature - r; distance from center of curvature to](https://reader036.vdocuments.net/reader036/viewer/2022072006/56649cf95503460f949ca034/html5/thumbnails/1.jpg)
Curved Mirrors
![Page 2: Curved Mirrors Terminology center of curvature - C; the center of the original sphere radius of curvature - r; distance from center of curvature to](https://reader036.vdocuments.net/reader036/viewer/2022072006/56649cf95503460f949ca034/html5/thumbnails/2.jpg)
Curved MirrorsTerminology
center of curvature - C; the center of the original sphere
radius of curvature - r;distance from center of curvature to the mirror
vertex - V; the center of the mirror
![Page 3: Curved Mirrors Terminology center of curvature - C; the center of the original sphere radius of curvature - r; distance from center of curvature to](https://reader036.vdocuments.net/reader036/viewer/2022072006/56649cf95503460f949ca034/html5/thumbnails/3.jpg)
principal axis - a line through C and V
principal focus - F; the point on the principal axis where light rays parallel and close to the principal axis
converge; or from where they appear to diverge
focal length - f; distance from V to F
![Page 4: Curved Mirrors Terminology center of curvature - C; the center of the original sphere radius of curvature - r; distance from center of curvature to](https://reader036.vdocuments.net/reader036/viewer/2022072006/56649cf95503460f949ca034/html5/thumbnails/4.jpg)
Ray DiagramsConcave(Converging) Mirrors
C F
1. rays parallel to the principal axis reflect through the focus2. rays passing through the focus reflect parallel to the principal axis
![Page 5: Curved Mirrors Terminology center of curvature - C; the center of the original sphere radius of curvature - r; distance from center of curvature to](https://reader036.vdocuments.net/reader036/viewer/2022072006/56649cf95503460f949ca034/html5/thumbnails/5.jpg)
Convex (Diverging) Mirrors1. rays parallel and close to the principal axis reflect away from the focus2. rays heading toward the principal focus reflect parallel to the principal axis
F C
![Page 6: Curved Mirrors Terminology center of curvature - C; the center of the original sphere radius of curvature - r; distance from center of curvature to](https://reader036.vdocuments.net/reader036/viewer/2022072006/56649cf95503460f949ca034/html5/thumbnails/6.jpg)
Click here to view these three rays that are important in the formation of images in concave (converging) and convex (diverging) mirrors.
Also view reflectionfrom curved mirrorshere, here,and here.
![Page 7: Curved Mirrors Terminology center of curvature - C; the center of the original sphere radius of curvature - r; distance from center of curvature to](https://reader036.vdocuments.net/reader036/viewer/2022072006/56649cf95503460f949ca034/html5/thumbnails/7.jpg)
Diverging rays must be extended as dotted linesbehind the mirror in order to locate some images.
Mirror Equation
1/f = 1/do + 1/di
Magnification
di/do = hi/ho
f = focal length; positive for converging mirrors, negative for diverging mirrors
do = object distance; usually positivedi = image distance; can be positive or negative
ho = object heighthi = image height
![Page 8: Curved Mirrors Terminology center of curvature - C; the center of the original sphere radius of curvature - r; distance from center of curvature to](https://reader036.vdocuments.net/reader036/viewer/2022072006/56649cf95503460f949ca034/html5/thumbnails/8.jpg)
Images formed by concave (converging) mirrors may be:
1. real, virtual, or non-existent2. upright or inverted
3. reduced, enlarged, or same size4. in front or behind the mirror
The image properties depend on theobject’s location with respect to themirror, focus, and center of curvature.
Learn more about concave mirror images here.
![Page 9: Curved Mirrors Terminology center of curvature - C; the center of the original sphere radius of curvature - r; distance from center of curvature to](https://reader036.vdocuments.net/reader036/viewer/2022072006/56649cf95503460f949ca034/html5/thumbnails/9.jpg)
Learn more about characteristicsof convex mirror images here.
Images formed by convex (diverging) mirrors are always:
1. virtual2. upright3. reduced4. located behind the mirror between the vertex and focus
![Page 10: Curved Mirrors Terminology center of curvature - C; the center of the original sphere radius of curvature - r; distance from center of curvature to](https://reader036.vdocuments.net/reader036/viewer/2022072006/56649cf95503460f949ca034/html5/thumbnails/10.jpg)
General Image Trends• •
Real Images Inverted Front of mirror positive image
distance
• Virtual images • always upright behind the
mirror• negative image
distance