This topic contains a solution. Click here to go to the answer

Author Question: Discrete spectral lines are observed when excitation occurs in a A) solid. B) liquid. C) gas. ... (Read 146 times)

dollx

  • Hero Member
  • *****
  • Posts: 558
Discrete spectral lines are observed when excitation occurs in a
 
  A) solid.
  B) liquid.
  C) gas.
  D) superconductor.
  E) all of the above

Question 2

Comparing the light from a glowing tube of neon gas and the beam of a helium-neon laser, there is a greater number of spectral lines in light from the
 
  A) neon gas tube.
  B) laser beam.
  C) both about the same



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Christopher

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A




dollx

  • Member
  • Posts: 558
Reply 2 on: Jul 29, 2018
Excellent


mammy1697

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

For a complete list of videos, visit our video library