Order NanoTechnology Discussion Solutions

Order NanoTechnology Discussion Solutions
Order NanoTechnology Discussion Solutions
1. Nanotechnology, in other words, is
(a) carbon engineering
(b) atomic engineering
(c) small technology
(d) microphysics
2. Who first used the term nano
technology and when?
(a) Richard Feynman, 1959
(b) Norio Taniguchi, 1974
(c) Eric Drexler, 1986
(d) Sumio lijima, 1991
3. Which of the following does not apply to
nanotechnology?
(a) It is a general-purpose technology.
(b) It can be called Green technology.
(c) Newtonian mechanics can describe
it.
(d) It involves rearrangement of atoms.
4. Where is the centre of
nanotechnology?
(a) Kolkata (SN Bose National Centre for
Basic Sciences)
(b) Pune (Tata Institute of Fundamental
Research)
(c) Dehradun (SN Bose National Centre
of Basic science)
(d) None of the above
5. The tensile strength of a carbon
nanotube is ……… times that of steel.
(a) 10 (b) 25
(c) 100 (d) 1000
6. The prefix ‘nano’ comes from a
(a) French word meaning billion.
(b) Greek word meaning dwarf.
(c) Spanish word meaning particle.
(d) Latin word meaning invisible.
Order NanoTechnology Discussion Solutions
 
7. Which one of these condiments is
unique due to the nanoscale
interactions between its ingredients?
(a) Ketchup
(b) Mustard
(c) Mayonnaise
(d) All of the above
8. Optical tweezers
(a) are used to remove facial hair with
miniaturised laser beams.
(b) use light to manipulate particles as
small as a single atom.
(c) are a nano technology based tool for
stamp collectors.
(d) don’t exist.
9. The diameter of a bucky ball is about
…….
(a) 1 A°
(b) 100 A°
(c) 1 nm
(d) 10nm
10. In a bucky ball, each carbon atom is
bound to …….. adjacent carbon atoms.
(a) 1 (b) 2
(c) 3 (d) 4
11. ‘‘There is a plenty of room at the
bottom.’’ This was stated by
(a) Issac Newton
(b) Albert Einstein
(c) Richard Feynman
(d) Eric Drexler
12. 1 nanometre = …………. cm.
(a) 10 −9( ) (b) 10 −8( )
(c) 10 −7( ) (d) 10 −6( )
13. The cut off limit of human eye to see is
………. nm.
(a) 10 (b) 100
(c) 1000 (d) 10000
14. 20 micron = ………. nm
(a) 20 10 9
×
( ) −
(b) 20 109
×
(c) 200
(d) 20000
15. The most important property of nano
materials is
(a) force
(b) friction
(c) pressure
(d) temperature
16. Which of these historical works of art
contain nano technology?
(a) Lycurgus cup
(b) Medieval stained glass windows in
churches
(c) Damascus steel swords
(d) All of the above
17. Nanorobots (nanobots)
(a) do not exist yet.
(b) exist in experimental form in
laboratories.
(c) are already used in nanomedicine to
remove plaque from the walls of
arteries.
(d) will be used by NASA in the next
unmanned mission to Mars.
18. The size of red and white blood cells is
in the range of ……….. µm.
(a) 2 – 5
(b) 5 – 7
(c) 7 – 10
(d) 10 – 15
19. The width of carbon nanotube in nm is
(a) 1
(b) 1.3
(c) 1.55
(d) 10
20. What is the general name for the class
of structures made of rolled up carbon
lattices?
(a) Nanotods
(b) Nanotubes
(c) Nanosheets
(d) Fullerrods
21. What is graphene?
(a) A new material made from carbon
nanotubes.
(b) A one atom thick sheet of carbon.
(c) Thin film made from fullerenes.
(d) A software tool to measure and
graphically represent nano
particles.
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