Fundamentals of NanoScience solved MCQs

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Nanomaterials are the materials with at least one dimension measuring less than Nanomaterials are the materials with at least one dimension measuring less than 1 nm 10 nm 100 nm 1000 nm discuss The answer is: C. 100 nm
A material with one dimension in Nano range and the other two dimensions are large is called A material with one dimension in Nano range and the other two dimensions are large is called micro-material quantum wire quantum well quantum dot discuss The answer is: C. quantum well
The colour of the nano gold particles is The colour of the nano gold particles is yellow orange red variable discuss The answer is: D. variable
The melting point of particles in nano form The melting point of particles in nano form increases decreases remains same increases then decreases discuss The answer is: B. decreases
The first talk about nano-technology was given by The first talk about nano-technology was given by albert einstein newton gordon e. moore richard feynman discuss The answer is: D. richard feynman
Which of the processes of materials was not described as Nanotechnology? Which of the processes of materials was not described as Nanotechnology? separation creation processing consolidation discuss The answer is: B. creation
The initial tools used to help launch the nanoscience revolution were The initial tools used to help launch the nanoscience revolution were binoculars microscope scanning probe instruments interferometer discuss The answer is: C. scanning probe instruments
When semiconductors are reduced to nanometres they become pure conductor When semiconductors are reduced to nanometres they become pure conductor true false discuss The answer is: B. false
The major difference between the nano materials compared to the bulk form is the big fraction of the total number of atoms on the surface The major difference between the nano materials compared to the bulk form is the big fraction of the total number of atoms on the surface. true false discuss The answer is: A. true
The size of atoms is nearly The size of atoms is nearly 0.01 nm 0.1 nm 1 nm 10 nm discuss The answer is: B. 0.1 nm
The four types of Artificial nanomaterials are The four types of Artificial nanomaterials are arbon-based, non-metallic, composites and ceramic carbon-based, metallic, composites and ceramics carbon-based, non-metallic, composites and dendrimers carbon-based, metallic, composites and dendrimers discuss The answer is: D. carbon-based, metallic, composites and dendrimers
Solution of pure buckminsterfullerene has a colour of Solution of pure buckminsterfullerene has a colour of green purple pink yellow discuss The answer is: B. purple
HyFn stands for HyFn stands for hydrated fluorine hydrolysed fluorine hydrolysed fullerene hydrated fullerene discuss The answer is: D. hydrated fullerene
Nano sized polymers built from branched units are called Nano sized polymers built from branched units are called dendrimers composites carbon-based materials metal-based materials discuss The answer is: A. dendrimers
Which property of nanoparticles provides a driving force for diffusion? Which property of nanoparticles provides a driving force for diffusion? optical properties high surface area to volume ratio sintering here is no such property discuss The answer is: B. high surface area to volume ratio
On both ends of the CNTs, which carbon nanostructure is placed? On both ends of the CNTs, which carbon nanostructure is placed? graphite diamond c60 benzene discuss The answer is: C. c60
When semiconductors are reduced to nanometres they become pure conductors When semiconductors are reduced to nanometres they become pure conductors. true false discuss The answer is: B. false
Quantum dots can be used in Quantum dots can be used in crystallography optoelectronics mechanics quantum physics discuss The answer is: B. optoelectronics
Vesicle is a type of Vesicle is a type of nanostructure nanoparticle nanocrystal supramolecular system discuss The answer is: D. supramolecular system
The response of a material due to the function of heat is known as The response of a material due to the function of heat is known as a mechanical property electrical property chemical property thermal property discuss The answer is: D. thermal property

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