Engineering Physics

Multiple Choice Questions

1. Nanotechnology was brought into day light by delivering lectures by:    ( )
   1. Feymann
   2. Einstein
   3. Newton
   4. Max Planck
2. Nanostructures have sizes in between:    ( )
   1. 1 and 100 Å
   2. 1 and 100 nm
   3. 100 and 1000 nm
   4. None of the above
3. Nanotechnology deals with _______ of nanostructures into useful nanoscale devices such as electronic circuits and mechanical devices at the molecular level.    ( )
   1. the design
   2. manufacturing
   3. applications
   4. all the above
4. Choose the correct statement:    ( )
   1. If we properly arrange carbon atoms in coal then it may become diamond
   2. By rearranging atoms in sand, silicon chip can be made
   3. Both a and b
   4. None of the above
5. The probe of scanning tunneling microscope is as sharp as ( )
   1. an atom at the tip
   2. many atoms ...