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

Author Question: What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work function ... (Read 60 times)

neverstopbelieb

  • Hero Member
  • *****
  • Posts: 534
on: Jul 28, 2018
What is the maximum velocity (in km/s) of a photoelectron emitted from a surface whose work function is 5.0 eV when illuminated by a light whose wavelength is 200 nm?
 a. 460
  b. 650
  c. 420
  d. 550
  e. 1 480

Question 2

The threshold wavelength for photoelectric emission of a particular substance is 500 nm. What is the work function (in eV)?
 a. 4.2
  b. 4.0  10-19
  c. 4.0  10-10
  d. 2.5  10-19
  e. 2.5


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Ashley I

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

E


neverstopbelieb

  • Member
  • Posts: 534
Reply 2 on: Jul 28, 2018
:D TYSM

bassamabas

  • Member
  • Posts: 294
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

View of the bottom surface of the human brain. View of the bottom surface of the human brain.
miRNA function in limb development miRNA function in limb development
The Last Glacial Maximum The Last Glacial Maximum
Model for translocon function Model for translocon function
How B Vitamins Function as Coenzymes (d) How B Vitamins Function as Coenzymes (d)
Determine if each function is continuous, If the function is not continuous, find the x-axis Determine if each function is continuous, If the function is not continuous, find the x-axis
Video: Griffith's experiments

For a complete list of videos, visit our video library