Engineering Physics II Practice Test 10

1. If the size of an atom (≅1A) were enlarged to the tip of a sharp pin (≅10^-5), how large would the height of Mount Everest be?

2. Carbon nanotubes are poor transmitters of electromagnetic radiations due to their ____________

3. When semiconductors are reduced to nanometres they become pure conductors.

4. All physical quantities have dimensions.

5. On a 60km track travels the first 30km with a uniform speed of 30km/h. How fast must the train travel the next 30km so as to average 40km.h for the entire trip?

6. The configuration of Buckminsterfullerene is ____________

7. Why is climbing a lamp post harder than climbing up a tree?

8. A material with one dimension in Nano range and the other two dimensions are large is called ___________

9. The major difference between the nano materials compared to the bulk form is the big fraction of the total number of atoms on the surface.

10. The figure shows a FET using CNT. Identify CNT.