Question

What do you mean by new cartesian sign convention?
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Answer 1

1.all distance are measured from the pole of the spherical mirror
2. distances measured in the direction of incident light are taken as positive while distances measured in a direction opposite to the direction of the incident light are taken as negative
3. the upward distamces perpendicular to the pricipal axis are taken as positive while the down ward distances are taken as negative

Answer 2

Answer:

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. This sign convention is known as New Cartesian Sign Convention. ... This means sign is always taken as – (negative) in front of a spherical mirror.

Explanation:

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