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

Author Question: The energy difference between the upper and lower levels in a certain laser is 1.9593 eV. What is ... (Read 19 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
on: Jul 28, 2018
The energy difference between the upper and lower levels in a certain laser is 1.9593 eV. What is the wavelength of the light emitted by the laser?

Question 2

Suppose a beam of electrons is incident on a collection of hydrogen atoms, all of which are in the lowest energy state (n = 1). What is the minimum energy the electrons can have if they are to excite the hydrogen atoms into the n = 2 state?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jordin Calloway

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 28, 2018
Answer to Question 1

632.9 nm

Answer to Question 2

10.2 eV


Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
Reply #2 on: Jul 28, 2018
TY


Jordin Calloway

  • Sr. Member
  • ****
  • Posts: 334
Reply #3 on: Jul 28, 2018
You're welcome


« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Changes in Earth's atmospheric carbon dioxide levels over geological time. Changes in Earth's atmospheric carbon dioxide levels over geological time.
Levels of organization in a fast contracting frog Levels of organization in a fast contracting frog
Nursing Interventions for Different Levels of Anxiety Nursing Interventions for Different Levels of Anxiety
The Upper Troposphere: Troughs and Ridges The Upper Troposphere: Troughs and Ridges
U.S. Energy Consumption U.S. Energy Consumption
Free energy diagrams for the simple reaction A ----> B Free energy diagrams for the simple reaction A ----> B
Video: Bond in biological molecules (Ionic, Covalent and Hydrogen bonds)/ How atoms bond?

For a complete list of videos, visit our video library