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In that convention, which point is taken as the origin?
AThe point
BThe plane
CThe pole
DThe peak
Answer & Solution
Correct answer: C. The pole
1. The principal axis becomes the x-axis.
2. The origin sits on the mirror itself.
3. It is the pole of the mirror.
_Source: NCERT Class 10 Science, Ch 10 'Light - Reflection and Refraction'_
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