PHYS 225 :: Physics Illinois :: University of Illinois at UrbanaChampaign
Schedule
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Please note: readings are to be done prior to lecture on the day they are assigned!
Week  Date  Lecture  Discussion  Homework and Readings 
Exam 

1 
Monday
8/21/2023 

Tuesday
8/22/2023 
Week 1, Lecture 1: Welcome and Introduction to Special Relativity 
Morin: 1.11.2, Appendix F 6.6.16.6.3 Notes on velocity addition formula 

Wednesday
8/23/2023 
Office Hours 1:30pm3:30pm Loomis 276  
Thursday
8/24/2023 
HW 1 assigned  
Friday
8/25/2023 
Discussion 1 (solutions) 

2 
Monday
8/28/2023 

Tuesday
8/29/2023 
Week 2, Lecture 2: The Three Fundamental Effects of Relativity 
Morin: 1.31.4  
Wednesday
8/30/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
8/31/2023 
HW 1 due (HW 1 solutions) HW 2 assigned 

Friday
9/1/2023 
Discussion 2 (solutions) 

3 
Monday
9/4/2023 
Labor Day Holiday  
Tuesday
9/5/2023 
Week 3, Lecture 3: Vectors, Matrices, and Linear Transformations 
(Shankar: 8.1)  
Wednesday
9/6/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
9/7/2023 
HW 2 due 

Friday
9/8/2023 
Discussion 3 (solutions) 

4 
Monday
9/11/2023 

Tuesday
9/12/2023 
Week 4, Lecture 4: Derivation of Lorentz Transformations 
Morin: 2.1.3, Appendix D 

Wednesday
9/13/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
9/14/2023 
HW 3 due (HW 3 solutions) HW 4 assigned 

Friday
9/15/2023 
Discussion 4 (solutions) 

5 
Monday
9/18/2023 

Tuesday
9/19/2023 
Week 5, Lecure 5: Matrix Multiplication and Taylor Series 
Morin: 2.2, Appendix G, (2.7) 

Wednesday
9/20/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
9/21/2023 
HW 4 due 

Friday
9/22/2023 
Discussion 5 (solutions) 

6 
Monday
9/25/2023 

Tuesday
9/26/2023 
Week 6, Lecture 6: Symmetries and Group Theory 
(Shankar: 8.2  8.4)  
Wednesday
9/27/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
9/28/2023 
HW 5 due (HW 5 solutions) HW 6 assigned 

Friday
9/29/2023 
Discussion 6 (solutions) 

7 
Monday
10/2/2023 

Tuesday
10/3/2023 
Week 7, Lecture 7: Invariant Interval and Spacetime Metric 
Morin: 2.32.4  Midterm practice (solutions) 

Wednesday
10/4/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
10/5/2023 
HW 6 due (HW 6 solutions) HW 7 assigned 

Friday
10/6/2023 
Discussion 7 (solutions) 

8 
Monday
10/9/2023 
HW 7 due 
Midterm Exam InLecture 

Tuesday
10/10/2023 
No Lecture  Midterm Exam  
Wednesday
10/11/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
10/12/2023 


Friday
10/13/2023 
No discussion this week  
9 
Monday
10/16/2023 

Tuesday
10/17/2023 
Week 9, Lecture 8: Relativistic Energy, Momentum, and Force; Separation of Variables in 1D 
Morin: 3.1, 3.5.1 (Shankar: 10.3) 

Wednesday
10/18/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
10/19/2023 
HW 8 assigned Bonus assignment (due on day of final) 

Friday
10/20/2023 
Discussion 8 (solutions) 

10 
Monday
10/23/2023 

Tuesday
10/24/2023 
Week 10, Lecture 9: Relativistic Force in 2D; Vector Fields, Curvilinear Coordinates, and Vector Differential Operators 
Morin 3.5.2 (Shankar: 7.17.3, 7.57.8) 

Wednesday
10/25/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
10/26/2023 
HW 8 due (HW 8 solutions) HW 9 assigned 

Friday
10/27/2023 
Discussion 9 (solutions) 

11 
Monday
10/30/2023 

Tuesday
10/31/2023 
Week 11, Lecture 10: 4vector Manipulation, Doppler Effect 
Morin: 4.14.3, 2.5  
Wednesday
11/1/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
11/2/2023 
HW 9 due (HW 9 solutions) HW 10 assigned 

Friday
11/3/2023 
Discussion 10 (solutions) 

12 
Monday
11/6/2023 

Tuesday
11/7/2023 
Week 12, Lecture 11: Relativistic Kinematics and Natural Units 
Morin: 3.33.4, 4.4  
Wednesday
11/8/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
11/9/2023 
HW 10 due (HW 10 solutions) HW 11 assigned 

Friday
11/10/2023 
Discussion 11 (solutions) 

13 
Monday
11/13/2023 

Tuesday
11/14/2023 
Week 13, Lecture 12: Line and Surface Integrals, Stokes' Theorem, Differential Forms of Maxwell's Equations 
(Shankar: 7.4, 7.9, 7.11) Index notation review 

Wednesday
11/15/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
11/16/2023 
HW 11 due (HW 11 solutions) HW 12 assigned 

Friday
11/17/2023 
Discussion 12 (solutions) 

14 
Monday
11/20/2023 
Fall break, no class  
Tuesday
11/21/2023 
Fall break, no class  
Wednesday
11/22/2023 
Fall break, no class  
Thursday
11/23/2023 
Fall break, no class  
Friday
11/24/2023 
Fall break, no class  
15 
Monday
11/27/2023 

Tuesday
11/28/2023 
Week 15, Lecture 13: Complex Numbers and Fourier Transforms 
(Shankar: Ch. 5)  
Wednesday
11/29/2023 
Office Hours 12:30pm3:30pm Loomis 276  
Thursday
11/30/2023 
HW 12 due (HW 12 solutions) HW 13 assigned 

Friday
12/1/2023 
Discussion 13 (solutions) 

16 
Monday
12/4/2023 

Tuesday
12/5/2023 
Week 16, Lecture 14: Wave Equation from Maxwell's Equations 
(Shankar: 7.11, Einstein 1905 paper) 

Wednesday
12/6/2023 
Office Hours 12:30pm3:30pm Loomis 276  HW 13 due (HW 13 solutions) (note Wednesday due date!) 

Thursday
12/7/2023 

Friday
12/8/2023 
Reading Day  No discussion  
17 
Monday
12/11/2023 
Final Exam 

Tuesday
12/12/2023 
Bonus assignment due Formula sheet Final practice problems 

Wednesday
12/13/2023 
Final Exam 1:30  4:30 pm Room 0035 Campus Instructional Facility 

Thursday
12/14/2023 

Friday
12/15/2023 