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

Author Question: If the momentum of an electron is 1.95 10-27 kg m/s, what is its de Broglie wavelength? (h = 6.626 ... (Read 47 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Jul 29, 2018
If the momentum of an electron is 1.95  10-27 kg  m/s, what is its de Broglie wavelength? (h = 6.626  10-34 J  s)
 
  A) 340 nm
  B) 210 nm
  C) 170 nm
  D) 420 nm
  E) 520 nm

Question 2

Calculate the current through a 10.0-m long 22 gauge (having radius 0.321 mm) nichrome wire if it is connected to a 12.0-V battery.
 
  The resistivity of nichrome is 100  10-8   m.
  A) 776 mA B) 30.9 A C) 17.5 A D) 388 mA E) 61.8 A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aidanmbrowne

  • Sr. Member
  • ****
  • Posts: 305
Reply #1 on: Jul 29, 2018
Answer to Question 1

A

Answer to Question 2

D


WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
Reply #2 on: Jul 29, 2018
Thanks


aidanmbrowne

  • Sr. Member
  • ****
  • Posts: 305
Reply #3 on: Jul 29, 2018
Welcome :)


« previous next »
 

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
A transmission electron micrograph of the Golgi complex A transmission electron micrograph of the Golgi complex
Draw the electron dot formula for the perchlorate ion, ClO4-. How many nonbondin Draw the electron dot formula for the perchlorate ion, ClO4-. How many nonbondin
Conservation of momentum lab Conservation of momentum lab
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
Draw the electric field of: •An electron and proton •Two electrons Draw the electric field of: •An electron and proton •Two electrons
Video: Simple Diffusion - gases and nonpolar compounds transport

For a complete list of videos, visit our video library