Cuesta College, San Luis Obispo, CA
Which star is the smallest?
(A) M0 red dwarf.
(B) F5 white dwarf.
(C) B0 main sequence star.
(D) B5 supergiant.
(E) (There is a tie.)
Correct answer (highlight to unhide): (B)
An H-R diagram is provided with this quiz.
These stars are plotted on an H-R diagram below. The B5 supergiant is the largest in size, followed by the B0 main-sequence star, the M0 red dwarf, and the F5 white dwarf is the smallest.
Section 70158
Exam code: quiz05Sbn3
(A) : 13 students
(B) : 23 students
(C) : 1 student
(D) : 4 students
(E) : 3 students
Success level: 57% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 25
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