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| Case II - Convex Mirror |
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The following rays are considered while constructing ray diagrams.
- A ray of light travelling parallel to the principal axis after reflection from a convex mirror appear to come from its focus behind the mirror.
- A ray of light travelling towards the centre of curvature behind the mirror hits the mirror at 90o and is reflected along its path.
- A ray of light which is directed towards the principal focus of a
convex mirror, after reflection will emerge parallel to the principal axis.
- A ray of light
incident obliquely to the principal axis, towards the pole of the mirror
gets reflected according to the laws of reflection.
A convex mirror always gives a virtual image irrespective of the position of the object.
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