Question

What is sign convention in optics? ​

Answer 1

Answer:

There are a number of differentconventions used for keeping track of the orientations of images in optics. ... In this convention, distances to the left of the vertex are negative, and distances to the right are positive. Distances from theoptical axis are positive if measured upwards.

Answer 2

Answer:

there are number of different conventions used for keeping tracks of the orientations of images in optics. in this convention distances on the left of the vertex are negative , and distances to the right are positive. distances from the optical axis are positive if measured upwards.

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