Nanotechnology Multiple Choice Questions and Answers

1. 1 nanometer is equivalent to

1. 10^-7
2. 10^-6
3. 10^-9
4. 10^-8

2. 20 micron is

1. 20 x 10^-9
2. 20 x 10⁹
3. 200
4. 20000

3. How many oxygen atoms lined up in a row would fit in a one nonometer space?

1. 1
2. 7
3. 70
4. None. An oxygen atom is bigger than 1nm

4. In a bucky ball, each carbon atom is bound to……………..adjacent carbon atoms

1. 1
2. 2
3. 3
4. 4

5. Nanorobots (nanobots)

1. do not exist
2. exist in experimental forms in laboratories
3. are ready used in nanomedicine to remove plaque from the walls of arteries
4. will be used by NASA in the next unmanned mission to the space

6. The cutoff limit of human eye to see is

1. 10nm
2. 100nm
3. 1000nm
4. 10000nm

7. The diameter of a bucky ball is about

1. 1 Armstrong
2. 100 Armstrong
3. 1 nm
4. 10 nm

8. The diameter of the fly ash particle is

1. 5 to 10 mioco meter
2. 10 to 20 mioco meter
3. 20 to 30 mioco meter
4. 30 to 40 mioco meter

9. The most important property of nano materials is

1. force
2. pressure
3. temperature
4. friction

10. The prefix nano comes from a

1. French word meaning billion
2. Greek word meaning dwarf
3. Spanish word meaning particle
4. Latin word meaning invisible