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Vibrations and Waves

Vibrations and Waves appear in many parts of physics, ranging from simple mechanical systems, to the light that we see, and even to the quantum realm. In this course we develop a fundamental grounding in this important topic, beginning with oscillations of simple systems of discrete masses, continuing with waves in continuous systems (like air and water), and exploring the wave behavior of light. We end with the uncertainty principle and the wave equation of quantum mechanics.

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Format: Self-Paced
Estimated: 18 weeks, 12-14 hrs/wk
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About this Course

A foundational study of waves and vibrations will prepare learners for advanced courses in physics and related fields of engineering. The skills utilized in analyzing these phenomena are applicable to many different systems because vibrations and wavs are so ubiquitous. For instance, learners will understand how the “resonant” modes of a tall building are analogous to simple systems of coupled oscillators. Moreover, learners will come to appreciate that the concept of “resonance” applies not only to systems of masses on springs, but to sound waves, 2D surfaces, atoms, and a wide range of other systems. This course explores many properties that are universal to all wave systems as well as many particular cases.

This course will prepare learners to analyze problems that involve mechanical vibrations and waves with such topics as simple harmonic motion, superposition, damping, forced vibrations and resonance, couple oscillations, normal modes, continuous systems, reflection and refraction, and phase and group velocities. The course also explores electromagnetic waves and various associated properties like polarization, Snell’s law, Huygens’s principle, interference and diffraction. It ends by giving learners a taste of Quantum Mechanics.

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Prerequisites

8.01x: Mechanics: Kinematics and Dynamics, Mechanics: Momentum and Energy, Mechanics: Rotational Dynamics, Mechanics: Simple Harmonic Motion and Non-Inertial Reference Frames
8.02x: Electricity and Magnetism: Electrostatics, Electricity and Magnetism: Magnetic Fields and Forces, Electricity and Magnetism: Maxwell's Equations
18.01x: Calculus 1A: Differentiation, Calculus 1B: Integration, Calculus 1C: Coordinate Systems & Infinite Series
18.02x: Multivariable Calculus 1: Vectors and Derivatives, Multivariable Calculus 2: Integrals, Multivariable Calculus 3: Theorems and Applications

Meet your instructors

Yen-Jie Lee

Class of 1958 Career Development Associate Professor of Physics

Yen‐Jie Lee joined the MIT Physics faculty in September 2013. He served as one of the Heavy Ion Physics Group co-conveners in the CMS collaboration from 2014 to 2016. Since 2016, he has been appointed as heavy-ion physics executive board representative in the CMS collaboration.

Prof. Lee received an Early Career Research Award from the U.S. Department of Energy in 2015, an NEC Corporation Fund Award from the MIT Research Support Committee, and a Sloan Research Fellowship from the Alfred P. Sloan Foundation in 2016. He was promoted to Associate Professor of Physics in 2018.