locating images is curved mirrorsmskropac.weebly.com/uploads/2/4/9/7/24970344/curved...curved...
TRANSCRIPT
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Locating Images is Curved Mirrors
Part 1: Intro and Concave Mirrors
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Types of MirrorsConcave (Converging) mirror - the centre of the mirror bulges away from you (eg. makeup mirror, car headlight, flashlight)
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Types of MirrorsConvex (Diverging) mirror - the centre of the mirror bulges toward you (eg. security mirror in a store or side-view mirror on a vehicle)
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Centre of Curvature - centre of sphere used to make the mirror.
Labelled as C
CCentre ofCurvature
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Principal Axis - the line through the centre of curvature to the midpoint of the mirror
CCentre ofCurvature
Principal Axis
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Vertex - the point at which the principal axis intersects the mirror.
CCentre ofCurvature
Principal AxisV
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Concave Mirrors
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Locating the FocusAny light rays that are parallel to the principal axis will reflect off the mirror through a single point - called the focus.
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Locating the FocusAny light rays that are parallel to the principal axis will reflect off the mirror through a single point - called the focus.
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Locating the FocusAny light rays that are parallel to the principal axis will reflect off the mirror through a single point - called the focus.
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Locating the FocusAny light rays that are parallel to the principal axis will reflect off the mirror through a single point - called the focus.
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Locating the FocusAny light rays that are parallel to the principal axis will reflect off the mirror through a single point - called the focus.
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Locating the FocusAny light rays that are parallel to the principal axis will reflect off the mirror through a single point - called the focus.
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Locating the FocusAny light rays that are parallel to the principal axis will reflect off the mirror through a single point - called the focus.
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Locating the FocusAny light rays that are parallel to the principal axis will reflect off the mirror through a single point - called the focus.
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Locating the FocusAny light rays that are parallel to the principal axis will reflect off the mirror through a single point - called the focus.
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The focus is always halfway between the centre of curvature and the mirror.
C F
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Because a concave mirror focuses parallel rays at F, this types of mirrors is also called a converging mirror.
C F
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Incident Ray Rules1) A light ray parallel to the principal axis is reflected through the focus.
C F V
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Incident Ray Rules2) A light ray through C is reflected back onto itself.
C F V
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Incident Ray Rules3) A ray through F will reflect parallel to the principal axis.
C F V
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Incident Ray Rules4) A ray aimed at the vertex will follow the law of reflection where the angle of incidence = the angle of reflection
C F V
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How to Locate an image in a converging mirror
To locate an image in a mirror you need to draw at least two incident rays. The point at which two reflected rays converge (if they converge) is where your image will form.
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How to Locate an image in a converging mirror
Step 1 - draw an incident ray from the top of the object, parallel to the principal axis and through the focus (F).
C F
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Step 2 - draw an incident ray from the top of the object, through F and onto the mirror. Then draw the reflected ray so that it is parallel to the principal axis.
C F
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Where the two rays cross is where your image will be located. The attitude, type and the size will also be shown!
C F
SALTS: same sizeA: InvertedL: At CT: Real
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