20111016

Astronomy quiz question: Wien's law

Astronomy 210 Quiz 4, fall semester 2011
Cuesta College, San Luis Obispo, CA

The ___________ of a star can be deduced by observing its color.
(A) distance.
(B) size.
(C) temperature.
(D) mass.

Correct answer: (C).

Section 70160
Exam code: quiz04nuO6
(A) : 1 student
(B) : 0 students
(C) : 22 students
(D) : 1 student

Success level: 92% (including partial credit for multiple-choice)
Discrimination index (Aubrecht & Aubrecht, 1983): 0.17

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