WorksheetsNanotechnology-Module 1
Total questions: 11
Worksheet time: 6mins
The first talk about nano-technology was given by ___________
Nanomaterials are the materials with at least one dimension measuring less than ___________
Nobel laureate Richard P. Feynman during his well renowned 1959 lecture described Nanotechnology as______________
There is plenty of Room at the Bottom
The study of ancient civilization
The exploration of outer space
When semiconductors are reduced to nanometres they become pure conductors.
True
False
The melting point of particles in nano form ___________
The colour of the nano gold particles is ___________
Varies
Nanomaterials exhibit unique color different from bulk material due to_________
Surface Plasmon Resonance
Photoelectric effect
Top-down approach refers to successive cutting of a bulk material to get nanoparticles.
True
False
Bottom-up approach is the building up of a material from the bottom that is orderly assembling atom by atom, molecule by molecule or cluster by cluster.
True
False
Sol-gel, Precipitation, Hydrothermal synthesis are the examples of
Top-down Approaches
Bottom-up Approaches
Ball milling, Sputtering, Laser ablation are the examples of __________
Top down Approaches
Bottom up Approaches
