CBSE Class 10 Science 2019 · Paper 31/5/3 · Question 3
Draw a labelled ray diagram to show the path of the reflected ray corresponding to the ray which is incident obliquely to the principal axis, towards the pole of a convex mirror. Mark the angle of incidence and angle of reflection on it.
Answer
The ray towards the pole is reflected to the other side of the axis with , both measured from the axis.
The ray aimed at the pole is reflected obliquely to the other side of the principal axis. At the pole the principal axis is the normal, so the reflected ray makes the same angle with the axis as the incident ray: . In the diagram, is marked between the incident ray and the principal axis, and between the reflected ray and the principal axis (see the figure).
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