Question

According to new cartesian sign convention object placed before mirror is

Answer 1

Incomplete Q comment the question in this answer, I’ll answer it then

Answer 2

1)All the distances in a ray diagram of reflection by spherical mirrors are measured from the pole of the spherical mirror.

2)The distances measured in the direction of incident light are taken as positive.

3)The distances measured in the direction opposite to the direction of incident light are taken as negative.

4)The heights measured upwards and perpendiculars to the principal axis of the mirror are taken as positive.

5)The heights measured downwards and perpendiculars to the principal axis of the mirror are taken as negative.

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