Question

what is cartisian sign conversyion

Answer 1

Answer:

According to the new Cartesian sign convention for the refraction of light through the concave and convex lens:

• All distances are measured from the optical centre of the lens.
• Distances measured in the direction opposite to the direction of incident light are considered negative.
• Distances measured in the same direction as the incident light are considered positive.
• Heights measured upwards and perpendicular to the principal axis are considered positive.
• Heights measured downwards and perpendicular to the principal axis are considered negative.

Explanation:

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Answer 2

Answer:

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.