Cuesta College, San Luis Obispo, CA
Which star is the least luminous?
(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 most luminous, followed by the B0 main-sequence star, the M0 red dwarf, and the F5 white dwarf is the least luminous.
Section 70160
Exam code: quiz05n3Rw
(A) : 11 students
(B) : 13 students
(C) : 0 students
(D) : 0 students
(E) : 4 students
Success level: 49% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 34
No comments:
Post a Comment