Graphene is frequently in news recently. What is its importance? 1. It is a two-dimensional material and has good electrical conductivity. 2. It is one of the thinnest by strongest materials tested so far. 3. It is entirely made of silicon and has high op

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Q: 39 (IAS/2012)
Graphene is frequently in news recently. What is its importance?
1. It is a two-dimensional material and has good electrical conductivity.
2. It is one of the thinnest by 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
Which of the statements given above are correct ?
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question_subject: 

Current Affairs

question_exam: 

IAS

stats: 

0,94,78,19,17,94,42

keywords: 

{'graphene': [0, 0, 0, 3], 'good electrical conductivity': [0, 0, 0, 1], 'importance': [2, 0, 0, 9], 'dimensional material': [0, 0, 0, 1], 'strongest materials': [0, 0, 0, 2], 'electrodes': [0, 1, 0, 0], 'silicon': [0, 0, 1, 0], 'lcds': [0, 0, 0, 1], 'touch screens': [0, 0, 0, 1]}