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

Author Question: The red light from a HeNe laboratory laser results from a transition in Ne. Determine the energy ... (Read 15 times)

tth

  • Hero Member
  • *****
  • Posts: 579
on: Jul 28, 2018
The red light from a HeNe laboratory laser results from a transition in Ne. Determine the energy difference between the states if the wavelength of the light given off is 634 nm. (h = 6.63  10-34 Js, c = 3.00  108 m/s, 1 eV = 1.60  10-19 J, and 1 nm = 10-9 m)
 a. 2.22 eV
  c. 1.96 eV
  b. 1.43 eV
  d. 2.04 eV

Question 2

The stimulated emission of photons from the excited atoms in a gas laser is prompted by which of the following?
 a. nearby presence of photons of same wavelength as those emitted
  b. high flux of electrons
  c. high voltage
  d. high temperature


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nital

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jul 28, 2018
Answer to Question 1

C

Answer to Question 2

A


tth

  • Member
  • Posts: 579
Reply 2 on: Jul 28, 2018
Great answer, keep it coming :)

AngeliqueG

  • Member
  • Posts: 343
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Phytochrome controls germination by responding to red/far red light signals. Phytochrome controls germination by responding to red/far red light signals.
Energy budget for a temperate deciduous forest (data from Gosz et al. 1978). Energy budget for a temperate deciduous forest (data from Gosz et al. 1978).
Evidence that Light Travels at a Finite Speed Evidence that Light Travels at a Finite Speed
Results of Tracing Methods Results of Tracing Methods
“New” Renewable Energy Sources “New” Renewable Energy Sources
The demand for energy is met by burning coal and other fossil fuels The demand for energy is met by burning coal and other fossil fuels
Video: Types of Transport - Uniport, Antiport and Symport (Glucose and Na+K+ Transporters)

For a complete list of videos, visit our video library