Question

A write sign convention for spherical mirror​

Answer 1

Answer:

Sign is taken as – (negative) from pole of a spherical mirror towards object along the principal axis. This means sign is always taken as – (negative) in front of a spherical mirror.

Answer 2

Answer:

Sign convention for spherical mirror:

If the object placed or the image formed is left side if the mirror, their signs are negative and if they are placed right side, it is positive, however the object distance is always negative. The height is negative if the image formed is real and positive if erect, the height of object is always positive.

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Explanation: