Visible light from a distant star can be spread into a spectrum by using a glass prism or
A. a diffraction grating.
B. adaptive optics.
C. a telescope.
D. a flat glass mirror.
Answer:A
Visible light from a distant star can be spread into a spectrum by using a glass prism or
A. a diffraction grating. B. adaptive optics. C. a telescope. D. a flat glass mirror.