Cuesta College, San Luis Obispo, CA
Which star is the smallest?
(A) A0 supergiant.
(B) B5 main sequence star.
(C) F0 main sequence star.
(D) K5 supergiant.
(E) (There is a tie.)
Correct answer (highlight to unhide): (C)
An H-R diagram is provided with this quiz.
These stars are plotted on an H-R diagram below. The K5 supergiant is largest, followed by the A0 supergiant, B5 main sequence star, and the F0 main sequence star is the smallest.
Exam code: quiz05So1L
(A) : 1 student
(B) : 4 students
(C) : 30 students
(D) : 3 students
(E) : 4 students
Success level: 73% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.73