Author Question: What frequency must a photon have if it is to raise an electron in a hydrogen atom from the n = 2 to ... (Read 55 times)

lunatika · **on:** Jul 29, 2018

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.