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Physics Tutorial 19.4 - De Broglie Wave

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There are 2 lessons in this physics tutorial covering De Broglie Wave. The tutorial starts with an introduction to De Broglie Wave and is then followed with a list of the separate lessons, the tutorial is designed to be read in order but you can skip to a specific lesson or return to recover a specific physics lesson as required to build your physics knowledge of De Broglie Wave. you can access all the lessons from this tutorial below.

In this Physics tutorial, you will learn:

  • Can particles manifest wave behavior?
  • What is the relationship between energy of particle and its wavelength?
  • What is the De Broglie relation?
  • How the wavelength of a particle is related to its momentum?
  • What is the wavelength of electron comparable with?
  • What is the probability approach used for the De Broglie wave?
  • Is the particle-wave nature specific only for EM waves or it extends in other elements of the universe?

Introduction

In previous articles we have seen that a light wave can be thought as a set of microscopic particles in the form of sparks, known as photons. In other words, light waves can be considered as sets of tiny particles. Do you think the reverse can be true as well, i.e. can particles manifest wave properties? Think about this.

If the above assumption is true (i.e. particles can behave as waves), why we are not able to notice this?

Do you think it is 100% sure that an electron will strike a given point of a screen when emitted from a source? Recall the analogy with a gun; is it granted that a bullet will hit the target or maybe it may miss it?

This tutorial is dedicated to the particle-wave analogy. We will close the circle of particle-wave dualism by proving that not only EM waves manifest particle nature but all particles present a wave behavior as well, as postulated by Lois De Broglie about one century ago.

Please select a specific "De Broglie Wave" lesson from the table below, review the video tutorial, print the revision notes or use the practice question to improve your knowledge of this physics topic.

Modern Physics Learning Material
Tutorial IDPhysics Tutorial TitleTutorialVideo
Tutorial
Revision
Notes
Revision
Questions
19.4De Broglie Wave
Lesson IDPhysics Lesson TitleLessonVideo
Lesson
19.4.1De Broglie Wave and De Broglie Relation
19.4.2De Broglie Wave is a Probability Wave

Whats next?

Enjoy the "De Broglie Wave" physics tutorial? People who liked the "De Broglie Wave" tutorial found the following resources useful:

  1. Physics tutorial Feedback. Helps other - Leave a rating for this tutorial (see below)
  2. Modern Physics Revision Notes: De Broglie Wave. Print the notes so you can revise the key points covered in the physics tutorial for De Broglie Wave
  3. Modern Physics Practice Questions: De Broglie Wave. Test and improve your knowledge of De Broglie Wave with example questins and answers
  4. Check your calculations for Modern Physics questions with our excellent Modern Physics calculators which contain full equations and calculations clearly displayed line by line. See the Modern Physics Calculators by iCalculator™ below.
  5. Continuing learning modern physics - read our next physics tutorial: Electromagnetic Wave Packet. The Uncertainty Principle

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