What frequency must a photon have if it is to raise an electron ...

[lunatika]

What frequency must a photon have if it is to raise an electron in a hydrogen atom from the n = 2 to the n = 4 state?
 
  A) 3.06  1014 Hz
  B) 6.16  1014 Hz
  C) 4.11  1014 Hz
  D) 5.20  1014 Hz
  E) 9.24  1014 Hz

Question 2

The back of a person's eye is too close to the lens. This person is suffering from
 
  A) nearsightedness.
  B) spherical aberration.
  C) astigmatism.
  D) chromatic aberration.
  E) farsightedness.

[bigcheese9]

Answer to Question 1

B

Answer to Question 2

E

[lunatika]

Thanks for the timely response, appreciate it

[EAN94]

YES! Correct, THANKS for helping me on my review