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Graphene is frequently in news recently. What is its important?
- 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' requires for touch screens, LCD's and organic LED's Which of the statements given above are correct?
- A.1 and 2 only
- B.3 and 4 only
- C.1, 2 and 4 only
- D.1, 2, 3 and 4
▶ Answer & Explanation
Correct answer: C. 1, 2 and 4 only
Graphene is a single layer of carbon atoms arranged in a hexagonal lattice, making it a two-dimensional material. Its unique atomic structure confers exceptional electrical conductivity and remarkable mechanical strength, positioning it as one of the thinnest and strongest materials known. These properties, along with its optical transparency, make it suitable for applications in electronics, including conducting electrodes for touch screens, LCDs, and LEDs.
Source: UPSC gs1 2012