Question

Find angle $\theta$ for the following ray diagram:

• A. $0^0$
• B. ${45}^0$
• C. ${90}^0$
• D. ${180}^0$

Answer 1

The correct option is B ${45}^0$

Line CP (principal axis) is normal to the mirror as it passes through the centre of curvature (C).
Therefore, i = r applies.