Question

Write any 2 sign conventions for a spherical mirror.

Answer 1

Dear Student ,
The sign Convention of the Spherical Mirror :
I. The objects are always placed to the left of the mirror ,i.e. light must fall on the mirror from left to right .
II. All distances are measured from the pole of the mirror .
III. Distances along the direction of incident ray along positive x axis is taken as positive ,while the distances along the direction of the reflected ray along negative x axis are taken as negative .
IV. Heights measured perpendicular to and above the principal axis along positive y axis are taken as positive .
V. Heights are measured perpendicular to and above the principal axis along negative y axis are taken as negative .
Regards