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 69 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?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum
The tarsier is a haplorhine, and may represent an evolutionary bridge between lower and higher prima The tarsier is a haplorhine, and may represent an evolutionary bridge between lower and higher prima
The mortality rate in the United States increases with age and is lower for women than men at every ... The mortality rate in the United States increases with age and is lower for women than men at every ...
A) Thumb press across top of shoulder. (B) Repeated pressing to GB-21 to disperse energy; massage ... A) Thumb press across top of shoulder. (B) Repeated pressing to GB-21 to disperse energy; massage ...
Energy imbalance establishes a temperature gradient between the tropics and the poles Energy imbalance establishes a temperature gradient between the tropics and the poles
A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ... A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ...
Video: Body plan of euglena Animation

For a complete list of videos, visit our video library