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

Author Question: An electron is moving with the speed of 1780 m/s. What is its de Broglie wavelength? (melectron = ... (Read 81 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
on: Jul 29, 2018
An electron is moving with the speed of 1780 m/s.
 
  What is its de Broglie wavelength? (melectron = 9.11  10-31 kg, h = 6.626  10-34 J  s)
  A) 409 nm
  B) 302 nm
  C) 205 nm
  D) 420 nm
  E) 502 nm

Question 2

A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta-minus decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a mass of 14.003074 u? (1 u = 931.5 MeV/c2)
 
  A) 0.0156 MeV
  B) 0.156 MeV
  C) 1.56 MeV
  D) 15.6 MeV
Physics ¦ Walker ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

juwms

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 29, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


deesands

  • Member
  • Posts: 514
Reply 2 on: Jul 29, 2018
Excellent

bblaney

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Artist's impression of an electron splitting up into two new particles Artist's impression of an electron splitting up into two new particles
Electron micrograph of phage T4 Electron micrograph of phage T4
Electron Microscope Images of a Diatom Electron Microscope Images of a Diatom
Hydrothermal Worm Viewed Under An Electron Microscope Hydrothermal Worm Viewed Under An Electron Microscope
Electron Microscope Electron Microscope
The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum The surface temperature of the star is 6000 K. At what wavelength is its light output a maximum
Video: Stroke volume - preload, sarcomere length and Frank -Starling law

For a complete list of videos, visit our video library