Nanotechnology- Definition and Cronology

Select the correct definition of nanotechnology.

• is the ability to observe measure, manipulate, assemble, control, and manufacture matter at the nanometer scale

• It is the study of structures by controlling their shape and size at nanometer scale.

• study at the nanometer scale

• synthesis of structures in 1-100 nm scale dimension

1 nm is equivalent to

• 10⁻⁹ m

• 10⁻¹⁵ m

• 10⁹ m

• 10⁻¹⁰ m

Who is known as the father of modern nanotechnology

• Richard Feynman

• Albert Einstein

• Norio Taniguchi

• Max Plank

The method of nanostructured material synthesis consiting of the breaking down of bulk material to get nano-sized particles is

• The top-down

• bottom-up

• none

• sol - gel process

The build-up of nanostructures by atom-by-atom or molecule-by-molecule by physical and chemical methods which are in a nanoscale range (1 nm to 100 nm) is known as

• Top-down process

• precise control engineering

• bottom-up process

• lithography

The two colors of the Lycurgus cup made of dichroic glass used by Romans in Ad fourth century is due to

• silver-gold nanoparticles

• carbon nanotubes

• graphene

• iron oxide nanoparticles

The modern naotechnology was progressed in 1981 after the invention of

• the Scanning Tunneling Microscope

• X-ray diffractomter

• UV-Vis spectroscopy

• X-ray Photoelectron Spectroscopy

carbon-based nanostructured materials became the backbone of almost every field of science and engineering after the descovery of .

• fullerenes

• gold-silver nanoparticles

• graphene

• graphite

Tags

NGSS.HS-ETS1-3