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Class 10 Science Medium Mcq English Medium

According to the New Cartesian Sign Convention, all distances parallel to the principal axis are measured from the

Question
According to the New Cartesian Sign Convention, all distances parallel to the principal axis are measured from the
centre of curvature
principal focus
pole of the mirror
edge of the aperture
Answer
pole of the mirror
Detailed Explanation
The chapter states that all distances parallel to the principal axis are measured from the pole of the mirror.
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