Figure shows a ray of light P striking a mirror MN.
The mirror MN and the mirror XY makes an angle
of 120° with each other.
A 50°
B 40°
C 30°
D 90°
Figure shows a ray of light P striking a mirror MN.
The mirror MN and the mirror XY makes an angle
of 120° with each other.
A 50°
B 40°
C 30°
D 90°