Plexiglass (also called Lucite) because of its high optical transparency is
used for making lenses. It is chemically
(A) Polymethyl methacrylate (PMMA)
(B) Polytetrafluroethylene (PTFE)
(C) Polycarbonates
(D) Phenolic resins
used for making lenses. It is chemically
(A) Polymethyl methacrylate (PMMA)
(B) Polytetrafluroethylene (PTFE)
(C) Polycarbonates
(D) Phenolic resins