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 92 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?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Biology Is Studied at Many Levels of Organization (Part 1) Biology Is Studied at Many Levels of Organization (Part 1)
Body cavities. (A) Lateral view of a sagittal section through the body. (B) Anterior view of a front Body cavities. (A) Lateral view of a sagittal section through the body. (B) Anterior view of a front
Solar energy heats the atmosphere, creates seasons, and causes air to circulate Solar energy heats the atmosphere, creates seasons, and causes air to circulate
A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ... A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ...
Summary of the effects on transcription levels of different point mutations Summary of the effects on transcription levels of different point mutations
Energy requirements of an uncatalyzed versus an enzymatically catalyzed chemical reaction Energy requirements of an uncatalyzed versus an enzymatically catalyzed chemical reaction
Video: Bulk flow - factors that influence bulk flow

For a complete list of videos, visit our video library