Question

what are the different signs in sign convention in mirror?

Answer 1

1.Distance above the Principal axis are always taken as positive

2.Distances below the principal axis are always taken as negative

3.Distances are always measured from the pole in the direction of light

Answer 2

Answer:1.Distance above the Principal axis are always taken as positive

2.Distances below the principal axis are always taken as negative

3.Distances are always measured from the pole in the direction of light.

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