convergent light मीनिंग इन हिंदी

If they belong to uniaxial crystals they show a dark cross or convergent light between crossed nicols, the bars of which remain parallel to the wires in the field of the eyepiece.
The earliest reference to the use of " conoscopy " ( i . e ., observation in convergent light with a polarization microscope with a Bertrand lens ) for evaluation of the optical properties of chiral-nematic phases.