In the diagram above, which of the angles \( \theta _1 \)...
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?
\( \theta _3 \)
\( \theta _2 \)
\( \theta _1 \)
\( \theta _4 \)
Correct answer is A
\( \theta _3 \) shows the angle of deviation
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