In the diagram above, which of the angles \( \theta _1 \) , \( \theta _2 \) , \( \theta _3 \) and \( \theta _4 \) is the angle of deviation of the ray of light passing through the glass prism XYZ?
Attached Figure / Diagram
A
\( \theta _3 \)
B
\( \theta _2 \)
C
\( \theta _1 \)
D
\( \theta _4 \)
Verified Correct Answer: A.
Physical Principles & Numerical Solution
\( \theta _3 \) shows the angle of deviation
Source: WAEC / JAMB / NECO Classroom Archive (Record #41741)