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

Author Question: An electron has a wavelength of 0.123 nm. What is its energy in eV? A) 80. keV B) 20. keV C) ... (Read 36 times)

elizabeth18

  • Hero Member
  • *****
  • Posts: 559
on: Jul 27, 2018
An electron has a wavelength of 0.123 nm. What is its energy in eV?
 
  A) 80. keV
  B) 20. keV
  C) 40. keV
  D) 10. keV
  E) 60. keV

Question 2

Above what speed do the Relativistic and the Newtonian expressions for KINETIC ENERGY disagree by more than 1?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jordangronback

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

v/c = 0.12 (v = 3.6  107 m/s )


elizabeth18

  • Member
  • Posts: 559
Reply 2 on: Jul 27, 2018
Gracias!

olderstudent

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Diagrams showing the multiple energy shells and orbitals of a nitrogen atom Diagrams showing the multiple energy shells and orbitals of a nitrogen atom
Free Energy Enzymes Free Energy Enzymes
Energy Transfer Processes: Forced Convection Energy Transfer Processes: Forced Convection
World Total Energy Consumption by Fuel Type World Total Energy Consumption by Fuel Type
Distribution of skin color as measured by a reflectometer at a wavelength of 685 nm. The results are Distribution of skin color as measured by a reflectometer at a wavelength of 685 nm. The results are
Electron micrograph of mitochondrial DNA derived from the frog Xenopus laevis Electron micrograph of mitochondrial DNA derived from the frog Xenopus laevis
Video: Dissociative Disorders (Part 3)

For a complete list of videos, visit our video library