« previous next »

Author Question: The red laser beam from a helium-neon laser corresponds to a spectral line of A) helium. B) ... (Read 102 times)

jessicacav

  • Hero Member
  • *****
  • Posts: 558
on: Jul 29, 2018
The red laser beam from a helium-neon laser corresponds to a spectral line of
 
  A) helium.
  B) neon.
  C) both of these
  D) neither of these

Question 2

A helium-neon laser beam in a vacuum is
 
  A) red.
  B) orange.
  C) white.
  D) invisible.
  E) none of the above


sierramartinez

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jessicacav

  • Hero Member
  • *****
  • Posts: 558
Reply #2 on: Jul 29, 2018
Thanks


sierramartinez

  • Sr. Member
  • ****
  • Posts: 313
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Pulsars are highly magnetized, rotating neutron stars that emit a beam of electromagnetic radiation. Pulsars are highly magnetized, rotating neutron stars that emit a beam of electromagnetic radiation.
Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ... Concentration affects where the precipitin line forms. When 1 reactant is held at a constant ...
A new drug development time line with the four phases of drug approval. A new drug development time line with the four phases of drug approval.
How to find the distance of any line segment How to find the distance of any line segment
Two radio antennas are 130 m apart on a north-south line. The two antennas radiate in phase at ... Two radio antennas are 130 m apart on a north-south line. The two antennas radiate in phase at ...
In 1964 a team of Russian scientists smashed a neon nucleus into a plutonium tar In 1964 a team of Russian scientists smashed a neon nucleus into a plutonium tar
Video: Chemical Synapse Animation

For a complete list of videos, visit our video library