In state n = 1, the energy of the hydrogen atom is -13.58 eV. ...

[craiczarry]

In state n = 1, the energy of the hydrogen atom is -13.58 eV. What is its energy in state n = 2?
 
  A) -1.51 eV
  B) -6.79 eV
  C) -3.40 eV
  D) -4.53 eV
  E) -5.89 eV

Question 2

The lifetime of an excited nuclear state is 10-9 s. What is the minimum uncertainty in the energy of this state?
 
  A) 1  10-9 eV
  B) 1  10-25 eV
  C) 6  10-25 eV
  D) 5  10-9 eV
  E) 7  10-7 eV

[Beatricemm]

Answer to Question 1

C

Answer to Question 2

E

[craiczarry]

TY

[Beatricemm]

You're welcome