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.
Answer: A