The Earth's orbit has a mean radius of 1.5 108 km. Over a ...

[jc611]

The Earth's orbit has a mean radius of 1.5  108 km. Over a six-month period, the apparent position of a particular star varies by 0.00014 due to parallax. How distant is the star, in ly? (1 ly = 9.46  1015 m)
 
  A)
 
  0.13 ly
  B)
 
  1.3 ly
  C)
 
  13 ly
  D)
 
  130 ly
  E)
 
  1300 ly

Question 2

In solving for the wave function for a finite potential well, which of the following is NOT required?
 
  A)
 
  The wave function be continuous.
  B)
 
  The first derivative of the wave function be continuous.
  C)
 
  There always be at least one bound state.
  D)
 
  The wave function be normalized.
  E)
 
  All of the above are required.

[Liamb2179]

Answer to Question 1

C

Answer to Question 2

C