SAT Subject Physics Practice Question 567: Answer and Explanation
8. Scientists identify the elements that are burning in the stars by using which of the following devices?
A. Refractive telescopes
B. Reflective telescopes
E. Photoelectric microscopes
Correct Answer: C
The correct answer is (C). Scientists look at the light from a star by passing the light through a spectometer, which separates the starlight into the individual line spectra of the elements that are burning in the star.