JAMB - Physics (2013 - No. 25)
A ray of light passing through the centre of curvature of a concave mirror is reflected by the mirror at?
0o
45o
90o
180o
คำอธิบาย
-We see that as it passes through centre of curvature it reflects back its path
-Incident to the mirror at 90º
- and with the normal at 0º