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 67 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
YES! Correct, THANKS for helping me on my review

Dominic

  • Member
  • Posts: 328
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Insects Under the Electron Microscope Insects Under the Electron Microscope
A Listing of the Expected Electron Configurations for Some of the Common Elementsa A Listing of the Expected Electron Configurations for Some of the Common Elementsa
Clostridium difficile: (a) on blood agar and (b) scanning electron microscopy. Clostridium difficile: (a) on blood agar and (b) scanning electron microscopy.
Apply direct pressure under the zygomatic arch. Moving laterally, gently press up and under the ... Apply direct pressure under the zygomatic arch. Moving laterally, gently press up and under the ...
Human chromosomes as seen at metaphase of mitosis in the scanning electron microscope. The replicate Human chromosomes as seen at metaphase of mitosis in the scanning electron microscope. The replicate
Which is the most acceptable electron dot structure for N2H2? Which is the most acceptable electron dot structure for N2H2?
Video: Introduction to Human Immunodeficiency Virus (HIV)

For a complete list of videos, visit our video library