Physics III: Vibrations and Waves

Lecture 18: Wave Plates, Radiation

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Lecture Topics

Wave plates Quarter wave plate Radiation Oscillating charge Dipole radiation

Lecture Video: Wave Plates, Radiation

How do we generate electromagnetic waves? Prof. Lee discusses the answer to this equation in class and shows an accelerated charge could lead to radiation which could propagate to the edge of the universe.

Lecture Notes

Typed Notes for Lecture 18 (PDF - 2.2MB)

Handwritten Notes for Lecture 18 (PDF - 2.2MB)

Textbook Reading

Chapter 12: Polarization (PDF - 1.4MB) (section 12.4 to end) 

In-class Demonstrations

SEE IT IN THE LECTURE
Polarizing Filters and Light and Polarizing Filters and Light
Polarization in a Sugar Solution
Polarization of Radio Waves (Dipole Antenna) and Polarization of Radio Waves (Dipole Antenna)

Related Resources

Video: Radiating Charge from PhET Interactive Simulations project at the University of Colorado Boulder

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