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Engineering Physics by S. Mani Naidu

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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 ...

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