Astronomy quiz question: electron orbital transition

Astronomy 210 Quiz 4, spring semester 2012
Cuesta College, San Luis Obispo, CA

A hydrogen atom electron can jump from energy levels 1→2 by absorbing a photon with __________ required energy.
(A) slightly more than the.
(B) the exact amount of.
(C) slightly less than the.
(D) (Two of the above choices.)
(E) (All of the above choices.)
(F) (None of the above choices.)

Correct answer: (B)

The electron must absorb a photon with the exact energy required for a given transition—no less, no more.

Section 30674
Exam code: quiz04noR3
(A) : 1 student
(B) : 27 students
(C) : 1 student
(D) : 3 students
(E) : 0 students
(F) : 0 students

"Success level": 86% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.50

Section 30676
Exam code: quiz04sLO8
(A) : 1 student
(B) : 30 students
(C) : 1 student
(D) : 1 student
(E) : 1 student
(F) : 0 students

"Success level": 87% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.40