NTA Abhyas JEE Main2020ChemistryPolymersPractice
Which polymer can be used for making contact lenses for eyes
Options
- APolymethylmethacrylate
- BPolyethelene
- CPolyethylacrylate
- DNylon-6
Correct answer
A. Polymethylmethacrylate
Step-by-step solution
Also known as PMMA. It is a transparent, excellent light transmitter and its optical clarity better than glass so it is used in the preparation of lenses for eyes.