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?
a
\( \theta _3 \)
b
\( \theta _2 \)
c
\( \theta _1 \)
d
\( \theta _4 \)
Explanation
Correct Option
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Discussions (9)
Chichistarr
4 years ago
The correct answer should be theta 3(option A).
Source: Senior Secondary School Physics P.N. Okeke (page 189, refraction of light)
TeReTeRe
7 years ago
I insist that its A bcos the angle of deviation occurs where the extrapolated incident and emergent rays intersect.
the ans is A
