The velocity of electrons (question)

  • Context: High School 
  • Thread starter Thread starter evanallmighty
  • Start date Start date
  • Tags Tags
    Electrons Velocity
Click For Summary
SUMMARY

The discussion centers on calculating the velocity of electrons using the De Broglie wavelength formula. The user, evanallmighty, conducted an experiment with a wavelength of 400 nm and calculated the electron's velocity to be 2038 m/s. They referenced a walkthrough for a wavelength of 235 nm, which led to a comparison of results. The user inquired about the significance of a 220 m/s difference in their calculations, indicating a focus on precision in experimental physics.

PREREQUISITES
  • Understanding of De Broglie wavelength calculations
  • Familiarity with basic principles of quantum mechanics
  • Knowledge of electron behavior in physics
  • Proficiency in using scientific calculators or computational tools like Wolfram Alpha
NEXT STEPS
  • Research the De Broglie wavelength formula and its applications in quantum mechanics
  • Learn about the significance of measurement precision in experimental physics
  • Explore the effects of varying wavelengths on electron velocity calculations
  • Investigate common sources of error in physics experiments
USEFUL FOR

Students and educators in physics, experimental physicists, and anyone interested in the behavior of electrons and quantum mechanics will benefit from this discussion.

evanallmighty
Messages
34
Reaction score
0
The velocity of electrons! (question)

Can someone tell me if I'm right? I used this walkthrough I found to get my answer but I used a different wavelength for my experiment. Here's the link:
http://wiki.answers.com/Q/What_is_th...ength_of_235nm

I did the same thing except I used a wavelength of 400 nm and my answer was 2038 m/s. This is one of my first problems with this and I was just curious if anyone could comfirn this answer or if I failed horribly.

Thanks.
 
Physics news on Phys.org


Thanks that helped out a lot. Is 220 a big difference when measuring velocity? Becuase my answer was off by 220. (meters per second)

_evanallmighty
 

Similar threads

Undergrad The physical components in the electron double slit experiment
  • · Replies 7 ·
Replies
7
Views
2K
High School Trivial quantum entanglement question (from a rookie)
  • · Replies 1 ·
Replies
1
Views
398
High School Determining Electron's Momentum and Position Simultaneously
  • · Replies 4 ·
Replies
4
Views
2K
High School Can someone please explain to me the motion of an electron?
  • · Replies 11 ·
Replies
11
Views
3K
High School Can the Motion of an Electron in Quantum Mechanics Be Reversed?
  • · Replies 29 ·
Replies
29
Views
3K
Undergrad Ramsauer and Townsend effect: history and explanation
  • · Replies 1 ·
Replies
1
Views
429
High School General question about series limits and strong lines of the emissions spectrum
  • · Replies 4 ·
Replies
4
Views
2K
High School I have question regarding quantum physics (localizing an electron)
  • · Replies 6 ·
Replies
6
Views
2K
High School Emission from a coated cathode and tunneling
  • · Replies 2 ·
Replies
2
Views
1K
High School Understanding Electron Spins: A High Schooler's Guide”
  • · Replies 11 ·
Replies
11
Views
2K