Cuesta College, San Luis Obispo, CA
A G5 supergiant has a ___________ than an A5 white dwarf.
(A) brighter luminosity.
(B) larger size.
(C) hotter temperature.
(D) (Two of the above choices.)
(E) (All of the above choices.)
(F) (None of the above choices.)
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 G5 supergiant has a brighter luminosity, larger size, but a cooler temperature than the A5 white dwarf.
Exam code: quiz05NpRm
(A) : 1 student
(B) : 1 student
(C) : 0 students
(D) : 12 students
(E) : 6 students
(F) : 2 students
Success level: 56% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.71
(Cf. a re-worded version of this same question: "An A5 white dwarf has a ___________ than a G5 supergiant.")