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Author Question: A ____ is a piece of glass with many small parallel lines etched on its surface to produce a ... (Read 44 times)

dmcintosh

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on: Jul 27, 2018
A ____ is a piece of glass with many small parallel lines etched on its surface to produce a spectrum.
 
  a. grating
  b. spectrograph
  c. photometer
  d. charge-coupled device
  e. prism

Question 2

Stars of spectra type K have strong Balmer lines.
 
  Indicate whether the statement is true or false


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Danny Ewald

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Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

F


dmcintosh

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Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


Danny Ewald

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Reply #3 on: Jul 27, 2018
Great! Please up vote :D


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