A polarizer or polariser is an optical filter that lets light of a specific polarization pass and blocks waves of other polarizations. It can convert a beam of light of undefined or mixed polarization into a beam of well-defined polarization, that is polarized light. The common types of polarizers are linear polarizers and circular polarizers.
Length is a measure of one dimension, whereas area is a measure of two dimensions (length squared) and volume is a measure of three dimensions (length cubed).In most systems of measurement, the unit of length is a base unit, from which other units are defined.ength is a measure of one dimension, whereas area is a measure of two dimensions (length squared) and volume is a measure of three dimensions (length cubed).
length nnoun: Refers to person, place, thing, quality, etc. (journey: duration) (viaje) duraciÃ³n nfnombre femenino: Sustantivo de gÃ©nero exclusivamente femenino (mesa, tabla). The length of the trip will depend on people's interests and the weather conditions. La duraciÃ³n del viaje dependerÃ¡ de los intereses de los participantes y del tiempo que haga. length nnoun: Refers to person, place, thing, quality, etc.