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Class 10 Science Medium Mcq English Medium

In the New Cartesian Sign Convention, the principal axis of the mirror is taken as the

Question
In the New Cartesian Sign Convention, the principal axis of the mirror is taken as the
y-axis
x-axis
z-axis
diagonal axis
Answer
x-axis
Detailed Explanation
The chapter states that the principal axis of the mirror is taken as the x-axis (X'X) of the coordinate system.
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