Nanotechnology Quiz

Who first used the term Nanotechnology?

• Richard Feymann

• Norio Taniguichi

• Eric Drexler

• Sumio Lijima

How many oxygen atoms lined up in a row would fit in a one nanometre space?

• None

• Seven

• Seventy

• One

Which of these statements is NOT true?

• Gold at the nanoscale is red

• Copper at the nanoscale is transparent

• Silicon at the nanoscale is an insulator

• Aluminium at the nanoscale is highly combustible

Which of the following is an example of top-down approach for the preparation of nanomaterials?

• Gas phase agglomeration

• Molecular self-assembly

• Molecular beam epitaxy

• Mechanical grinding

Which of the following is an example of bottom-up approach for the preparation of nanomaterials?

• Etching

• Dip pen nano-lithography

• Erosion

• Lithography

What is the general name for the class of structures made of rolled up carbon lattices?

• Fullerods

• Nanorods

• Nanotubes

• Nanosheets

What ratio decides the efficiency of nanosubstances?

• Surface area/Volume

• Weight/Volume

• Volume/Weight

• Pressure/Volume

Who stated, 'There is plenty of room at the bottom'?

• Richard Smalley

• Harold Croto

• Richard Feymann

• Eric Drexler

Which field uses nanoparticles with silica coated iron oxide?

• Magnetic applications

• Electronics

• Structural and mechanical materials

• Medical diagnosis

Coating the nano crystals with ceramics leads to what?

• Corrosion

• Wear and tear

• Corrosion resistant

• Soft