Cuesta College, San Luis Obispo, CA
Which star is largest?
(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): (D)
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.
Section 30674
Exam code: quiz05NoPw
(A) : 1 student
(B) : 1 student
(C) : 0 students
(D) : 10 students
(E) : 7 students
(No response: 1 student)
Success level: 57% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.80
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