1. It is a two-dimensional material and has good electrical conductivity. |
2. It is one of the thinnest but strongest materials tested so far. |
3. It is entirely made of silicon and has high optical transparency. |
4. It can be used as 'conducting electrodes' required for touch screens, LCDs and organic LEDs. |
A) 1 and 2 only
B) 3 and 4 only
C) 1, 2 and 4 only
D) 1, 2, 3 and 4
Correct Answer: C
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