The straight line passing through the pole (P) and the center of curvature (C) of a mirror is called the _______ of that mirror.
The straight line passing through the pole (P) and the center of curvature (C) of a mirror is called the _______ of that mirror.
قطب اور آئینے کے گھماؤ کے مرکز سے گزرنے والی سیدھی لائن کو اس آئینے کا _______ کہا جاتا ہے۔
Explanation
The principal axis is a straight line passing through the center of curvature and the pole of a spherical mirror.
It serves as the reference line for measuring distances and analyzing image formation in mirrors.