Physics 132

Schedule - Redish

You can find the homepage for the text readings for this class (plus readings I am not assigning) at: NEXUS/Physics.

Notes:

  • This schedule is tentative and subject to change. Reading Assignments are online with responses in Canvas due by midnight the evening before the lecture. Paper HW assignments are due at the beginning of Thursday's lecture, and the XTA part of the assignment is due at Friday at 9 PM.
  • Recitations and labs begin on February 3rd.
Date Class Reading Recitation  Lab

Week 1  

   
1/28 1

 

Structure of the class
WAWA: Dimensional analysis
 
1/30 2

Overview: Thermodynamics and Statistical Physics

The 1st law of thermodynamics

Organizing the idea of energy

Enthalpy

Thermodynamic equilibrium and equipartition

Example: Degrees of freedom

 

Week 2

Recitation:
How a kinesin walks
No lab
2/4 3

The 2nd Law of Thermodynamics

The 2nd Law of Thermodynamics -- A Probabilistic Law

Entropy -- implications of the 2nd law of thermodynamics

Why entropy is logarithmic (RQ)

Quiz 1  
2/6 4

Biological consequences of the 2nd law of thermodynamics

Sharing -- a way to think about entropy

Calculating entropy (RQ)
and the three follow-on examples to this page

HW 1

Week 3

Recitation:
Entropy and diffusion
Lab 6.1:
Modeling fluid flow I
2/11 5

Motivating Free Energy (RQ)

Example: Free energy of an expanding gas

Gibbs free energy

Quiz 2  
2/13 6

Powers and exponentials

Fluctuations -- How energy is distributed

Workout: How energy is distributed

The Boltzmann distribution

Example: The Boltzmann distribution (RQ)

 HW 2

Week 4

Recitation: What's "free" about free energy?

Lab 6.2:
Modeling fluid flow II
2/18 7

Overview: Electricity

The Electric field (RQ)

Electric potential energy

Motivating simple electric models

Quiz 3  
2/20 8

The electric potential (RQ)

A simple electric model: A line of charge

A simple electric model: A sheet of charge

A simple electric model: A spherical shell of charge

HW 3

Week 5

Recitation: Insane in the membrane, 1: Lipid bilayers Lab 7.1:
Electric forces in a fluid I
2/25 9


Motivating Capacitance

Two parallel sheets of charge

The capacitor (RQ)

The dielectric constant

The energy stored in a capacitor

Quiz 4  
2/27 10

Electric fields in matter

Electrical interactions in ionic solutions

Debye length

The Nernst potential (RQ)

WAWA: The electric potential HW 4

Week 6

Recitation: Insane in the membrane, 2: Lipid bilayers
Lab 7.2:
Electric forces in a fluid II
3/3 11


No new readings

 
3/5 12

 

MIDTERM 1

 

Week 7

Recitation:
Introduction to circuits
Lab 8.1: Signal transmission along nerve axons I
3/10 13

Go over midterm 1

Electric currents

Quantifying electric current

Resistive electric flow -- Ohm's law (RQ)

Quiz 5

 

3/12 14

Ways to think about current -- a toolbox of models

Kirchhoff's principles (RQ)

Electrical energy and power

 

HW 5

Week 8 and 9

SPRING BREAK - NO CLASS

Week 10

Recitation:
Salting out and denaturing DNA
Lab 8.2: Signal transmission along nerve axons II
3/31 15

Example: Resistors in series

Example: Resistors in parallel

Example: Batteries in series and parallel

Example: A complex network



Quiz 6

4/2 16

Motivating the harmonic oscillator

Mass on a spring

Hanging mass on a spring (RQ)

Example: Oscillator graphs

Example: Oscillator calculations

Quantum oscillators -- discrete states

HW 6

Week 11

Recitation:
Introduction to light
Lab 9.1: Introducing
geometrical optics I
4/7 17

 

 

Quiz 7

 

4/9 18

Overview: Waves in 1D

Waves on an elastic string

Wave pulses (RQ)

Propagating a wave pulse -- the math

HW 7

Week 12

Recitation:
Diatomic vibrations
Lab 9.2: Introducing
geometrical optics II
4/14 19

Example: Velocity patterns in a pulse

Wave speed (RQ)

Superposition of waves in 1D

Example: Cancelling pulses

 

Quiz 8

 

 

4/16 20

Sinusoidal waves

Reading the content in a sinusoidal wave

Beats

Standing waves

Spectral analysis -- summing different wavelengths

 

Week 13

Recitation:Spectroscopy - How does light interact with matter? Lab 10.1: Analyzing light spectra: Implications for living systems I
4/21 21 MIDTERM 2

 

4/23 22

Overview: Three models of light

The photon model of light

Basic principles of the photon model

Black-body radiation

Fluorescence

Go over exam

Quiz 9

HW 8

Week 14

Recitation:
Seeing inside the body
Lab 10.2: Analyzing light spectra: Implications for living systems II
4/28 23

The ray model of light

Flat mirrors

Example: Flat mirrors

Curved mirrors

Curved mirror equations

Lenses

Lens equations

 

4/30 24

The wave model of light

Electromagnetic radiation -- Maxwell's rainbow

Huygens' principle

Huygens' principle -- the math

Quiz 10

HW 9

Week 15

Recitation:
Photosynthesis
Lab 11: Exploring complex absorption and emission in molecules
5/5 25

Two-slit interference

 

 

5/7 26

Diffraction

Interference from two wide slits

Quiz 11

HW 10

Week 16

Makeup labs
5/12 27

Reconciling the wave and photon models - sort of

Quiz 12

Exam Week

5/16 6:30-8:30 PM FINAL EXAM Location: TBD
Last revision 4/6/20

University of Maryland

Contact: Joe (E. F.) Redish (redish@umd.edu)