Question

Explain cartesian sign convention with diagram......

Answer 1

Answer:

Following are Cartesian sign conventions for spherical mirror : All distances are measured from the pole of the mirror. Incident light is shown coming from LHS of mirror. Distances towards LHS of mirror are taken as negative and those on RHS are take as positive. ... Distance above principal axis is taken as positive.

Answer 2

ANSWER  

Cartesian Sign Convention. 1) Light initially propagates from left to right. 2) The origin of the Cartesian coordinate system is at the centre of the optical component. 3) Distances measured normal to the optic axis are positive above and negative below.

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