Astronomy quiz question: sunrise horizon position

Astronomy 210 Quiz 1, fall semester 2011
Cuesta College, San Luis Obispo, CA

An observer in San Luis Obispo, CA notices the sun rising on the horizon at a point due between east and southeast. On this day, there are __________ between sunrise and sunset.
(A) 10 hours.
(B) 12 hours.
(C) 14 hours.
(D) 24 hours.

Correct answer: (A)

Section 70160
Exam code: quiz01n8tE
(A) : 18 students
(B) : 12 students
(C) : 2 students
(D) : 0 students

"Success level": 57% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.53