Quantum Tunneling
  • Home
  • Physics 12, SPH4U
    • Module 1: Dynamics >
      • Lesson 1: Motion and Motion Graphs
      • Lesson 2: Equations of Motion
      • Lesson 3: Displacement in Two Dimensions
      • Lesson 4: Velocity and Acceleration in Two Dimensions
      • Lesson 5: Projectile Motion
      • Lesson 6: Relative Motion
      • Lesson 7: Forces and Free Body Diagrams
      • Lesson 8: Newton's Laws of Motion
      • Lesson 9: Applying Newton's Laws of Motion
      • Lesson 10: Forces of Friction
      • Lesson 11: Inertial and Non Inertial Frames of Reference
      • Lesson 12: Centripetal Acceleration
      • Lesson 13: Centripetal Force
      • Module 1 Assessment
    • Module 2: E and P >
      • Lesson 1: Work Done by a Constant Force
      • Lesson 2: Kinetic Energy and Work Energy Theorem
      • Lesson 3: Gravitational Potential Energy
      • Lesson 4: The Law of Conservation of Energy
      • Lesson 5: Elastic Potential Energy and SHM
      • Lesson 6: Springs and Conservation of Energy
      • Lesson 7: Momentum and Impulse
      • Lesson 8: Conservation of Momentum in One Dimension
      • Lesson 9: Collisions
      • Lesson 10: Head-on Elastic Collisions
      • Module 2 Assessment
    • Module 3: Fields >
      • Lesson 1: Newtonian Gravitation
      • Lesson 2: Orbits
      • Lesson 3: Electric Force
      • Lesson 4: Electric Fields
      • Lesson 5: The Milikan Oil Drop Experiment
      • Lesson 6: Magnets
      • Lesson 7: Magnetic Force on Moving Charges
      • Lesson 8: Motion of Charged Particles in Magnetic Fields
      • Module 3 Assessment
    • Module 4: Light >
      • Lesson 1: Properties of Waves and Light
      • Lesson 2: Refraction and Total Internal Reflection
      • Lesson 3: Diffraction and Interference of Water Waves
      • Lesson 4: Interference of Light Waves
      • Lesson 5: Electromagnetic Radiation
      • Module 4 Assessment
    • Module 5: Revolution >
      • Lesson 1: The Special Theory of Relativity
      • Lesson 2: Time Dilation
      • Lesson 3: Consequences of Special Relativity
      • Lesson 4: Quantum Theory
      • Lesson 5: Photons
      • Lesson 6: Matter Waves
      • Module 5 Assessment

Lesson 4: Interference of Light Waves

Overview:

In this activity, you will analyze the interference of  light waves, both qualitatively and quantitatively. You will learn about Thomas Young's famous double-slit experiment, and you will have the opportunity to investigate Young's double slit experiment with the help of animated simulations. You will explore the derivations of the equations relevant to analyzing two-dimensional wave interference and practice applying these equations. 

Curriculum Expectations:

Overall Expectations:
E2. Investigate, in qualitative and quantitative terms, the properties of waves and light, and solve related problems.

E3. Demonstrate an understanding of the properties of waves and light in relation to diffraction, refraction, interference, and polarization.

Specific Expectations:
E2.1 Use appropriate terminology related to the wave nature of light, including, but not limited to: diffraction, dispersion, wave interference, nodal line, phase, oscillate, polarization, and electromagnetic radiation.

E2.3 Conduct inquiries involving the diffraction, refraction, polarization, and interference of light waves (e.g., shine lasers through single, double, and multiple slits; observe a computer simulation of Young’s double-slit experiment; measure the index of refraction of different materials; observe the effect of crossed polarizing filters on transmitted light).

E2.4 Analyze diffraction and interference of water waves and light waves (e.g., with reference to two-point source interference in a ripple tank, thin-film interference, multiple-slit interference), and solve related problems.

Success Criteria:

  1. Why is it necessary to have a monochromatic light source in the double slit experiment?
  2. What is the path length difference given by in Young's double slit experiment?
  3. What is the condition required for constructive interference and a bright interference fringe to occur?
  4. What is the condition required for destructive interference and a dark fringe in the interference pattern to occur?
  5. The fringe at the centre of the screen has what value of m?
  6. How do you calculate the separation between any two adjacent fringes?

Time Allocation: 4 hours


Learning Activities:

Read pages 477 - 483 from Nelson 9.5

In the playlist below, video:
  1. Will show you how to calculate the fringes of the Young's double slit interference pattern.

Practice questions 1, 2, and 3 on page 482.

Task:

Complete the assignment on Moodle: "Wave Interference Simulation."
Solve questions 2, 4, and 5 from Nelson 9.5 Review on page 484.
Quiz Chapter 9 on Moodle. 

Optional Extension: 
  • Solve questions 1 and 8 on page 484.

Reflect:

Reflect on the concepts and facts that you learned in this chapter. Select one fact or concept that you found particularly interesting, to the point that you continued investigating the fact or concept in your daily life. Give some examples. 

Additional Resources:


Lesson 3
Home
Lesson 5
Powered by Create your own unique website with customizable templates.
  • Home
  • Physics 12, SPH4U
    • Module 1: Dynamics >
      • Lesson 1: Motion and Motion Graphs
      • Lesson 2: Equations of Motion
      • Lesson 3: Displacement in Two Dimensions
      • Lesson 4: Velocity and Acceleration in Two Dimensions
      • Lesson 5: Projectile Motion
      • Lesson 6: Relative Motion
      • Lesson 7: Forces and Free Body Diagrams
      • Lesson 8: Newton's Laws of Motion
      • Lesson 9: Applying Newton's Laws of Motion
      • Lesson 10: Forces of Friction
      • Lesson 11: Inertial and Non Inertial Frames of Reference
      • Lesson 12: Centripetal Acceleration
      • Lesson 13: Centripetal Force
      • Module 1 Assessment
    • Module 2: E and P >
      • Lesson 1: Work Done by a Constant Force
      • Lesson 2: Kinetic Energy and Work Energy Theorem
      • Lesson 3: Gravitational Potential Energy
      • Lesson 4: The Law of Conservation of Energy
      • Lesson 5: Elastic Potential Energy and SHM
      • Lesson 6: Springs and Conservation of Energy
      • Lesson 7: Momentum and Impulse
      • Lesson 8: Conservation of Momentum in One Dimension
      • Lesson 9: Collisions
      • Lesson 10: Head-on Elastic Collisions
      • Module 2 Assessment
    • Module 3: Fields >
      • Lesson 1: Newtonian Gravitation
      • Lesson 2: Orbits
      • Lesson 3: Electric Force
      • Lesson 4: Electric Fields
      • Lesson 5: The Milikan Oil Drop Experiment
      • Lesson 6: Magnets
      • Lesson 7: Magnetic Force on Moving Charges
      • Lesson 8: Motion of Charged Particles in Magnetic Fields
      • Module 3 Assessment
    • Module 4: Light >
      • Lesson 1: Properties of Waves and Light
      • Lesson 2: Refraction and Total Internal Reflection
      • Lesson 3: Diffraction and Interference of Water Waves
      • Lesson 4: Interference of Light Waves
      • Lesson 5: Electromagnetic Radiation
      • Module 4 Assessment
    • Module 5: Revolution >
      • Lesson 1: The Special Theory of Relativity
      • Lesson 2: Time Dilation
      • Lesson 3: Consequences of Special Relativity
      • Lesson 4: Quantum Theory
      • Lesson 5: Photons
      • Lesson 6: Matter Waves
      • Module 5 Assessment