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Q. |
LCD uses |
A. | sematic crystals |
B. | twisted nematic crystals |
C. | nematic crystals |
D. | cholesteric crystals |
Answer» B. twisted nematic crystals | |
Explanation: lcd uses liquid crystal display. it uses twisted nematic crystals which are a type of liquid crystal, consisting of a substance called the nematic. the nematic liquid crystal is placed between two plates of polarized glass. |
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