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

Author Question: If an electron has the same de Broglie wavelength as the wavelength of a 390-nm photon in vacuum, ... (Read 269 times)

drink

  • Hero Member
  • *****
  • Posts: 554
on: Jul 29, 2018
If an electron has the same de Broglie wavelength as the wavelength of a 390-nm photon in vacuum,
 
  what is the speed of the electron? (melectron = 9.11  10-31 kg, c = 3.0  108 m/s, h = 6.626  10-34 J  s)
  A) 2100 m/s B) 540 m/s C) 1900 m/s D) 1700m/s E) 1500 m/s

Question 2

What is the voltage drop across a 5.0- resistor if the current through it is 5.0 A?
 
  A) 100 V
  B) 25 V
  C) 4.0 V
  D) 1.0 V
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

sylvia

  • Sr. Member
  • ****
  • Posts: 331
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 56% of students answer this correctly


drink

  • Hero Member
  • *****
  • Posts: 554
Reply #2 on: Jul 29, 2018
Thanks


sylvia

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Electron atomic and molecular orbitals Electron atomic and molecular orbitals
Electron Microscope Image of a Fly Foot Electron Microscope Image of a Fly Foot
Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
The pressure valve maintains the system pressure and allows excess pressure to vent. The vacuum ... The pressure valve maintains the system pressure and allows excess pressure to vent. The vacuum ...
Sites of action of some respiratory inhibitors and artificial electron acceptors Sites of action of some respiratory inhibitors and artificial electron acceptors
photon photon
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library