Nano-Tech 1
Nano-tech 2
Nano-tech 3
Nano-tech 4
Nano-tech 5
100
Very High
In the concept of nano technology in modern days ratio of surface area to volume is usually
100
1nm-100nm
What is the range of nano particles?
100
Electron Beam direct write lithography.
expand EBDW.
100
coarsening
Ostwald ripening is also called as________
100
Bucky balls
spherical fullerenes are also called as...?
200
Richard Feynman, Norio Taniguchi
Who was the first to introduce concept of nano-technology and who coined the term nano technology for first time?
200
1) discovery of fullerenes 2) Invention of scanning tunneling microscope
Name any 1 of the major events that led to rapid growth of nano technology?
200
MEMS
What is technique used in manufacture of sensor elements in silicon surface?
200
Identical shapes
Write any 1 property possed by the nano particles.
300
Decreases
When the size of material is reduced from cm to nm what happens to their chemical and physical properties ?
300
Change in nature of interactions among the atoms
The change in electronic properties with great reduction in size of matter is due to ____
300
Due to angle strain
Fullerenes are stable,but why are they reactive?
300
sp2
What is the hybridisation of fullerene molecules ?
300
Quantum Dots.
Expand QD.
400
weakly bound among themselves
for material self assembly,the kind of arrangement between the building blocks that should be present is?
400
1)harry kroto 2)richard smalley 3)robert cure
Who discovered fullerenes?
400
12 pentagons and 20 hexagons
How many pentagons and hexagons are there in a bucky ball ?
400
7.1angstrom meter
What is the diameter of the bucky ball ?
400
Fabric technology
Write any day to day live commercial application of nanotechnology ?
500
It is set around the size below which the phenomena not observed in larger structure starts to become apparent in nano particles
how is the upper limit in the range of size of nano particles set?
500
Motion of dispersed particles relative to a fluid under the influence of a spatially uniform electric field.
Define cataphoresis.
500
Multi Walled Carbon Nanotubes.
Expand MWNTS.
500
Synthesising.
What is the bottom to up approach in nanotechonolgy ?
500
Fabricating
What is the top down approach in nanotechnology ?
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