An electron in a rigid box is in the ground state. The system ...

[kaid0807]

An electron in a rigid box is in the ground state. The system absorbs a 9-eV photon putting the electron in the n = 2 state. What is the width of the box?
 
  A)
 
  1.8  10-10 m
  B)
 
  1.5  10-10 m
  C)
 
  2.5  10-10 m
  D)
 
  2.0  10-10 m
  E)
 
  3.5  10-10 m

Question 2

If m = 4, how may possible values can the spin quantum number ms have?
 
  A)
 
  3
  B)
 
  5
  C)
 
  4
  D)
 
  2
  E)
 
  1
  F)
 
  0

[mbcrismon]

Answer to Question 1

E

Answer to Question 2

D

[kaid0807]

Gracias!

[at]

Wow, this really help