Question

question 13
a _______ is a triangular - shaped piece of glass that is used to separate white light into its colors.
o lens
o maser
o spectrum
o prism
question 14
the optical instrument that is used to identify the elements that make up the sun and other stars is the _______.
o reflecting telescope
o spectrograph
o refracting telescope
o spectroscope

Explanation:

For Question 13, a prism is a triangular - shaped glass piece that can disperse white light into its component colors due to refraction. For Question 14, a spectrograph is an optical instrument that analyzes the spectrum of light from stars to identify the elements present by observing the unique spectral lines of each element.

Answer:

Question 13: D. prism
Question 14: B. spectrograph