Cartesian Sign Convention: In the case of spherical mirror all signs are taken from Pole of the spherical mirror, which is often called origin or origin point.
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.
A sign convention must be defined, understood, and followed. The Cartesian sign convention will be used in this course. This is NOT the same as used in Halliday and Resnick, but is used in many specialist optics textbooks. In this case we have:-
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.
4) We denote object space distances as l, h, f, and image space distances as l ', h', f '.
5) Acute angles are positive when produced by anticlockwise rotation from the optic axis, and negative when produced by clockwise rotation.
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Explanation:
Cartesian Sign Convention: In the case of spherical mirror all signs are taken from Pole of the spherical mirror, which is often called origin or origin point.
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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Answer:
A sign convention must be defined, understood, and followed. The Cartesian sign convention will be used in this course. This is NOT the same as used in Halliday and Resnick, but is used in many specialist optics textbooks. In this case we have:-
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.
4) We denote object space distances as l, h, f, and image space distances as l ', h', f '.
5) Acute angles are positive when produced by anticlockwise rotation from the optic axis, and negative when produced by clockwise rotation.
Explanation:
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