This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A ____ is a piece of glass with many small parallel lines etched on its surface to produce a ... (Read 45 times)

dmcintosh

  • Hero Member
  • *****
  • Posts: 517
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Danny Ewald

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

F


dmcintosh

  • Hero Member
  • *****
  • Posts: 517
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


Danny Ewald

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Thyroid conditions may make getting pregnant impossible.

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Digestion and absorption of emulsified fat in the small intestine. Digestion and absorption of emulsified fat in the small intestine.
Parallel Gratings Parallel Gratings
Flow cytometry. Cells expressing the surface markers CD4, CD8, and CD3 are labeled in a direct ... Flow cytometry. Cells expressing the surface markers CD4, CD8, and CD3 are labeled in a direct ...
Alternative pathway recognition and activation. C3w is on the surface of the microbe; factor B binds ... Alternative pathway recognition and activation. C3w is on the surface of the microbe; factor B binds ...
A piece of broken plate was dug up in an archeological site. It was put on top of the grid ... A piece of broken plate was dug up in an archeological site. It was put on top of the grid ...
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Video: Audiology

For a complete list of videos, visit our video library