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

Author Question: A hydrogen atom emits a photon as it makes a transition from the n = 4 state to the n = 3 state. The ... (Read 138 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
on: Jul 29, 2018
A hydrogen atom emits a photon as it makes a transition from the n = 4 state to the n = 3 state. The energies of these two states are 0.9 eV and 1.5 eV, respectively. (a) What is the energy of the photon? (b) What is its frequency?

Question 2

What is the de Broglie wavelength of an electron traveling 100 m/s?

Question 3

A photon emitted by an excited atom has an energy of 5 eV. What is its frequency?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mistyjohnson

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

(a) 0.6 eV, (b) 1.5  1014 Hz

Answer to Question 2

7.28  106 m

Answer to Question 3

1.21  1015 Hz


sabina

  • Member
  • Posts: 563
Reply 2 on: Jul 29, 2018
Great answer, keep it coming :)

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
:D TYSM

« 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?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Diagrams showing the multiple energy shells and orbitals of a nitrogen atom Diagrams showing the multiple energy shells and orbitals of a nitrogen atom
Hydrogen Atom Hydrogen Atom
Pre–steady state kinetic evidence for an acyl-enzyme intermediate Pre–steady state kinetic evidence for an acyl-enzyme intermediate
The Scopes Trial: William Jennings Bryan (right) represented the state of Tennessee, and Clarence Da The Scopes Trial: William Jennings Bryan (right) represented the state of Tennessee, and Clarence Da
This map shows the percentage of Protestants by state in Germany. When compared to the previous map This map shows the percentage of Protestants by state in Germany. When compared to the previous map
Combustion analysis of 0.150 g of an unknown compound containing carbon, hydrogen, and oxygen ... Combustion analysis of 0.150 g of an unknown compound containing carbon, hydrogen, and oxygen ...
Video: Structures that affect circulation - kidneys and blood volume and skeletal muscle pumping

For a complete list of videos, visit our video library