Grapheme is frequency in news recently. What is its importance ?

I. It is a two-dimensional material and has good electrical conductivity.
II. It is one of the thinnest but strongest materials tested so far.
III. It is entirely made of silicon and has high optical transparency.
IV. It can be used as ‘conducting electrodes’ required for touch screens, LCDs and organic LEDs.

Which of the statements given above are correct ?

A I and II only
B III and IV only
C I, II and IV only
D I, II, III and IV
Answer & Explanation
Option: [C]

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