Question

Write short note.

Optic glass

Answer 1

Optic glass is high-quality, homogeneous, colour-free glass, as flint or crown glass, having specified refractive properties, used in lenses and other components of optical systems.
Optic glass is produced, when we mixed sand(silicon dioxide), soda, limestone, barium oxide and boron.
These glasses are useful in the production of microscopic lenses, spectacles, lenses etc.