$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?$

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 $

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Correct answer is A

$ \theta _3 $ shows the angle of deviation

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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?

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