Sunita is of marriagable age. She wears spectables. She is afraid that the she may not find to suitable suggested her to wear contact lenses.
After reading the above passage , answer the following questions :
(i) What values are expressed by Manisha ?
(ii) Name the polymer used in making contact lenses.
(iii) How is this polymer prepared ?
(iv) Besides contact lenses what are the other uses of this polymer ?

Explanation

(i) Manisha expressed the values about looking attractive by wearing contact lenses.
(ii) Polymer used in making contact lenses is polymethyl methacrylate (PMMA).
(iii) it is prepared by free radical polymerization of methyl methacrylate.

(iv) Besides contact lenses , PMMA is used for manufactering transport domes , light shades , sign boards , transparent domes and sky domes , aircraft windows, dentures and plastic jewellery.