Draw ray diagram in each of the following cases to show what happens after reflection to the incident ray when (a) it is parallel to the principal axis and falling on a convex mirror. (b) it is falling on a concave mirror while passing through its principal focus. (c) it is coming oblique to the principal axis and falling on the pole of a convex mirror.
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Explanation:
a) A ray of light which is incident at the pole of a convex mirror is reflected back making the same angle with the principal axis .
b) A ray a light going towards the focus of a convex mirror becomes parallel to the principal Axis after reflection .
c) A ray of light which is parallel to the principal axis of a convex mirror appears to be coming from its focus after reflection from a mirror
Image attached indicating ray diagrams.
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