Arsenic-doped silicon is A) a material with holes as the ...

[Mollykgkg]

Arsenic-doped silicon is
 
  A)
 
  a material with holes as the dominant charge carrier.
  B)
 
  an n-type semiconductor.
  C)
 
  a p-type semiconductor.
  D)
 
  all of the above.
  E)
 
  none of the above.

Question 2

An unstable particle produced in a high-energy collision is measured to have an energy of 483 MeV and an uncertainty in energy of 84 keV.
 
  Use the Heisenberg uncertainty principle to estimate the lifetime of this particle. ( h = 1.055  10-34 J  s = 6.59  10-16 eV  s)

[billybob123]

Answer to Question 1

B

Answer to Question 2

3.9  10-21 s

[Mollykgkg]

Thank you!

[billybob123]

Always glad to help...