In an insulator, the valence band is A) half filled. B) ...

[berenicecastro]

In an insulator, the valence band is
 
  A)
 
  half filled.
  B)
 
  more than half filled.
  C)
 
  less than half filled.
  D)
 
  separated from the conduction band by 5 or more eV.
  E)
 
  separated from the conduction band by 1 or less eV.

Question 2

Michelson and Morley concluded from the results of their experiment that
 
  A)
 
  the experiment was a failure since there was no detectable shift in the interference pattern.
  B)
 
  the experiment was successful in not detecting a shift in the interference pattern.
  C)
 
  the experiment was a failure since they detected a shift in the interference pattern.
  D)
 
  the experiment was successful in detecting a shift in the interference pattern.

[lindahyatt42]

Answer to Question 1

D

Answer to Question 2

A

[berenicecastro]

Great answer, keep it coming

[kishoreddi]

Thanks for the timely response, appreciate it