Question

what is Cartesian sign convention of lens​

Answer 1

According to the New Cartesian sign conventions: The optical center (O) of the lens is taken as the origin. The principal axis of the lens is taken as the x-axis (XdashX) of the coordinate system. The object is always placed to the left side of the lens and light is incident on the lens from the left to the right.

Answer 2

Answer:

According to the New Cartesian sign conventions: The optical center (O) of the lens is taken as the origin. The principal axis of the lens is taken as the x-axis (XdashX) of the coordinate system. The object is always placed to the left side of the lens and light is incident on the lens from the left to the right.

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