Your Name:_
3.225 Quiz 2004: Electronic, Optical, Magnetic Properties
e=1.602x1019 C
mo=9.11x1031 kg
c=2.998x108 m/sec
o=8.854x1012 F/m
kb=1.38x1023 J/K
h=6.626x1034 Jsec
=1.054x1034 Jsec
A=6.022x1023 mole1
1. Imagine a 1D Crystal with atom spac
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Monday, September 12:
Maximizing utility
Purpose of this lecture
We will discuss some details concerning the model of utility
maximization and then consider some exa
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Wednesday, September 14:
Labor supply
Purpose of this lecture
We are equipped with the necessary model and tools now and
will apply the model to several economic que
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Wednesday, September 21:
Consumer Surplus
Purpose of this lecture
In this lecture, we cover an important evaluative tool in
economics, namely "consumer surplus". Con
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Wednesday, October 3:
Risk Pooling and Insurance
Purpose of this lecture
This lecture continues our discussion on uncertainty. In this
lecture, we introduce two conc
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Wednesday, October 10
Utility: foundations
Purpose of this lecture
This lecture discusses some foundational issues relating to
utility functions. In particular, we d
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Wednesday, September 7:
Elasticity
Purpose of this lecture
This is the second lecture designed to build familiarity with the
idea of utility maximization and to add
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Wednesday, October 12
Profit Maximization
Purpose of this lecture
In this lecture, we study the behavior of a competitive firmthe
counterpart of a competitive consum
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Wednesday, September 28:
Risk
Purpose of this lecture
In this lecture, we incorporate risk and uncertainty into the
utilitymaximization model. Considering that many
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Monday, August 29:
The Mathematics of Optimization
going over the mathematical tools used in this class
reviewing the basic calculus of optimization
applying the too
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Monday, September 19:
Time
Purpose of this lecture
In this lecture, we incorporate time, an important element of
many economic decisions, into our basic model so tha
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Wednesday, August 31:
Demand Functions
Purpose of this lecture
Weve seen the basic model of individual choice and the
mathematics involved there in the previous two
Your Name:_
3.225 Quiz 2005
e=1.602x1019 C mo=9.11x1031 kg c=2.998x108 m/sec
kb=1.38x1023 J/Kh=6.626x1034 Jsec
o=8.854x1012 F/m
=1.054x1034 Jsec
A=6.022x1023 mole1
1. 2D Material
Consider a 2D crystal, size L x L. The lattice constant is a.
(a)
Prbolem Set #1
Due: Monday, February 25 by 5:00 PM
1. The beauty of a bicycle wheel design is that the spokes (narrow cylindrical wires connecting
the wheel center to the perimeter) are loaded in tension, despite the compressive force exerted
via the bicy
roblem Set #2
Due: Tuesday, March 4 by 5:00 PM
1. You did such an outstanding job in the engineering department at Unique Unicycles that they
gave you a promotion to the R&D department. Your rst assignment there is to study a new
material developed by you
3.22 Mechanical Behavior of Materials (Spring 2008)
Problem Set #1
Due: Monday, February 25 by 5:00 PM
1. The beauty of a bicycle wheel design is that the spokes (narrow cylindrical wires connecting
the wheel center to the perimeter) are loaded in tension
Your Name:_
3.225 Quiz 2006
e=1.602x1019 C mo=9.11x1031 kg c=2.998x108 m/sec
kb=1.38x1023 J/Kh=6.626x1034 Jsec
o=8.854x1012 F/m
=1.054x1034 Jsec
A=6.022x1023 mole1
1. Classical Drude
The following information is given about an unknown material:
J
roblem Set #2
Due: Tuesday, March 4 by 5:00 PM
1. You did such an outstanding job in the engineering department at Unique Unicycles that
they gave you a promotion to the R&D department. Your rst assignment there is to study
a new material developed by you
Your Name:_
3.225 Quiz 2003: Electronic and Optical Properties
e=1.602x1019 C
mo=9.11x1031 kg
c=2.998x108 m/sec
kb=1.38x1023 J/K
h=6.626x1034 Jsec
o=8.854x1012 F/m
=1.054x1034 Jsec
For this exam, consider a 3D crystal of NaCl. It is a thin slab s
Answer keys for old exams 200306
3.225
+

Biraja Kanungo, TA
2003
2
Given: e, m0, c, 0, kb, h, , a, ZNa , ZCl , n (n = ), r =s
PROBLEM# 1
(a)
4 Na atomsZ Na +4 Cl atomsZCl 4 1+4 7
32
=
= 3 = 2.56 1029
3
3
a
a
a
2
2
ne 32e
=
= 3
calculate using = 1014
Econ 8100: Applied Microeconomic Analysis
Yongsheng Xu
Fall 2016
Georgia State University
Wednesday, October 5
Valuing Life
Purpose of this lecture
This lecture is an application of the economics of risk and
uncertainty: we will address the question of ho