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प्रश्न
The polymer used for optical lenses is ______.
विकल्प
polypropylene
polyvinyl chloride
polythene
polymethyl methacrylate
MCQ
रिक्त स्थान भरें
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उत्तर
The polymer used for optical lenses is polymethyl methacrylate.
Explanation:
Polymethyl methacrylate is hard, fairly rigid. It is used for optical lenses.
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Uses of Polymers
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