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Is power of lens a vector quantity?

in Electrical Engineering

Is power of lens a vector quantity?

1 Answer

No, the power of a lens is not a vector quantity. It is a scalar quantity.

The power of a lens is defined as the reciprocal of its focal length (P = 1/f), where the focal length (f) is measured in meters. The power is usually expressed in diopters (D), which is the unit of measurement for lens power.

Since power does not have any direction associated with it, it is considered scalar, meaning it only has magnitude and no directional component.

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