optic axis meaning in Hindi

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The optic axis figure of a biaxial mineral is more complex.
A crystal with only one optic axis is called a uniaxial crystal.
This means that it has more than one optic axis.
The ordinary axis is perpendicular to the optic axis.
The extraordinary axis is parallel to the optic axis.
This plane contains the chief ray, but does not contain the optic axis.
The optic axis of a crystal is a direction rather than a single line.
Non-crystalline materials have no double refraction and thus, no optic axis.
Uniaxial means it has only one optic axis.
This cartridge is inserted into an airlock with the bore perpendicular to the TEM optic axis.

noun.

a line that passes through the center of curvature of a lens so that light is neither reflected nor refracted; "in a normal eye the optic axis is the direction in which objects are seen most distinctly"
synonyms：
in a doubly refracting crystal, the line in the direction of which no double refraction occurs; "a crystal may have either one or two optic axes"