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

Author Question: A photocathode having a work function of 2.4 eV is illuminated with monochromatic light whose photon ... (Read 49 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
on: Jul 29, 2018
A photocathode having a work function of 2.4 eV is illuminated with monochromatic light whose photon energy is 3.4 eV. What is maximum kinetic energy of the photoelectrons produced?
 
  (c = 3.00  108 m/s, h = 6.626  10-34 J  s, 1 eV = 1.60  10-19 J)
  A) 1.6  10-19 J
  B) 3.8  10-19 J
  C) 4.4  10-19 J
  D) 4.9  10-19 J
  E) 5.4  10-19 J

Question 2

During a single period, the distance traveled by a wave is
 
  A) one-half wavelength.
  B) one wavelength.
  C) two wavelengths.
  D) more information is needed


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

Answer: B


eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
Reply #2 on: Jul 29, 2018
Both answers were spot on, thank you once again


kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 29, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Transporters that function as pumps. Transporters that function as pumps.
Use dye specifically made for coolant when checking for leaks using a black light. Use dye specifically made for coolant when checking for leaks using a black light.
Slap the foot bottom with the back of the hand. Rapid, light slaps create a stimulating sensation. Slap the foot bottom with the back of the hand. Rapid, light slaps create a stimulating sensation.
Periodic Function p1 Periodic Function p1
Consider the following Lagrangian function: Z(I1,K2,λ) = F(K1,L1) - I1 - w1L1 ... Consider the following Lagrangian function: Z(I1,K2,λ) = F(K1,L1) - I1 - w1L1 ...
General Mathematics - Finding the Range of a Function General Mathematics - Finding the Range of a Function
Video: Retina

For a complete list of videos, visit our video library