Problems of the IV International Olympiad, Moscow, 1970
The publication is prepared by Prof. S. Kozel & Prof. V.Orlov
(Moscow Institute of Physics and Technology)
The IV International Olympiad in Physics for schoolchildren took place in Moscow (USSR) in J
MIHPC & Informatics Lab Report 20090123
Department of Radiology
Carver College of Medicine
University of Iowa
Version 1.0a
Jan. 21, 2009
Basic Radiologic Physics Terminology
Dr. Jun Ni, Associate Professor, Department of Radiology, Carver College of
Medic
MIHPC & Informatics Lab Report 20090123
Department of Radiology
Carver College of Medicine
University of Iowa
Version 1.0a
Jan. 21, 2009
Basic Radiologic Physics Terminology
Dr. Jun Ni, Associate Professor, Department of Radiology, Carver College of
Medic
PHY 505
Classical Electrodynamics I
Midterm Exam 2 with Solutions
Fall 2007
Problem M.4 (to be graded of 200 points). A conducting plane located at z = 0 is separated into two parts with a very narrow, straight cut along axis y, and voltage V is fixed bet
PHY 506
Classical Electrodynamics II
Homework 10 with solutions
Spring 2008
Problem 10.1 (to be graded of 10 points). Prove that the following quantities: (i) E2 c2B2, and rr (ii) E B , are Lorentz-invariant.
Solution: These facts can be proved by the dir
PHY 506
Classical Electrodynamics II
Homework 7 with solutions
Spring 2008
Problem 7.1 (20 points). A plane monochromatic wave is normally incident on an opaque disk of radius R > . Use the Huygens principle to calculate the wave intensity at distance z >
Commun. Theor. Phys. (Beijing, China) 44 (2005) pp. 10451049
c International Academic Publishers
Vol. 44, No. 6, December 15, 2005
Evolution of Quantum State for Mesoscopic Circuits with Dissipation
WAN Hua-Ming,1,3 LUO Hai-Mei,2 and WANG Yi-Fan,2
1
Unive
Physics 506
Winter 2008
Homework Assignment #2 Due Thursday, January 17 Textbook problems: Ch. 8: 8.5, 8.6, 8.7
8.5 A waveguide is constructed so that the cross section of the guide forms a right triangle with sides of length a, a, 2a, as shown. The mediu
Ideal Fermi-Dirac gas: equation of state and internal energy
[tln69]
Conversion of sums into integrals by means of density of energy levels: D() = m gV (D/2) 2 2
D/2
D/21 ,
V = LD .
Fundamental thermodynamic relations for FD gas: pV = kB T
ln 1 + ze
k
k
=
The Apache Software License, Version 1.1
Copyright (c) 2000 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided
that the following conditions are met:
THERMOPHYSICS
CHAPTER I
I. Philosophical and Scientific Insights In general, Physics deals with systems and their interactions in an attempt to understand the physical universe or world. Systems interact to produce phenomena which we observe and attempt t
171.312 STATISTICAL PHYSICS AND THERMODYNAMICS
Final exam, December 13th, 2004
No notes, books, or calculators are allowed. Do all five of the following problems
and explain your reasoning whenever possible. Each problem is worth 20 points.
1. In a temper
LECTURE 10 Kronig Penney Model
1.12 Kronig-Penney Model
Consider the following idealized crystal potential:
We assume E < Vo
V(x)
lattice constant = a + b = c
Vo
-b
0
a
a+b
x
for 0 x a:
d 2 2m
+ 2 E = 0
dx 2
and
d
= A cos x B sin x
dx
=
2mE
= A sin x + B
Department of Physics
Preliminary Exam January 25, 2008
Day 4: Thermodynamics and Statistical Physics
Saturday, January 5, 2008
9:00 a.m.12:00 p.m.
Instructions:
1. Write the answer to each question on a separate sheet of paper. If more
than one sheet is
Department of Physics
Preliminary Exam January 37, 2000
Day 4: Thermodynamics and Statistical Physics
Friday, January 7, 2000
9:00 a.m. 12:00 p.m.
Instructions:
1. Write the answer to each question on a separate sheet of paper. If
more than one sheet is r
Rutgers- Physics Graduate Qualifying Exam
Quantum Mechanics: August 31, 2007
QA
Consider the Schroedinger equation for a particle moving in three dimensions in the
delta function potential,
V (r) = a (|r| ).
(a) Draw a rough qualitative sketch of the lowe
Q (6)
from uncerta int y
E t
t =
E
the max imum dis tan ce the exchange particle can travel in this time
c
E
34
h = 6.6 10 Js
x = c t =
h
= 1.05 10 34 Js
2
c = 1.05 10 34 Js 3 108 ms 1
=
= 3.15 1026 Jm
1ev = 1.6 1019 J
3.15 1026 Jmev
c=
= 1.97 10 7 evm
HW6 Solutions: 1 (pp5), 4 (pp6),3 (pp7) of Lecture 11 PY410
I.
PROBLEM 6.1
Consider 2 systems at dierent temperatures, T = T . Show that the laws of thermodynamics imply that the heat ows from the hotter to colder system, i.e. if TA > TA EA < 0 , EA > 0.
PHYS425 - Problem set 12 - due Dec. 5, 2006
November 28, 2006
As Id said in class, this problem set is short because you should be working on the
Question Bank problems from throughout the year, in preparation for your nal.
1
Homework
XII.1 Landau theory
PHYS425 - Problem set 10 - due Nov. 21, 2006
November 14, 2006
1
Homework
Clausius-Clapeyron equation - Reif, 8.2, 8.5
Chemical equilibrium - Reif, 8.14
Stat mech calculations of phase equilibrium - Reif, 8.19, 9.4 (Both of these involve
doing a microscop
Physics 301 Problem Set 9
The reading assignment is Chapter 10. Note that the assignment is due Wednesday Dec 8.
Problem 1. (5 pts) Consider a system of N > 1 spin zero bosons at temperature T with
energy levels at Es=0 = 0 and Es=1 = and with chemical po
Physics 301 Problem Set 5
The reading assignment is Chapter 6. We will not ask you anything based on 6.10 but in
it Reif introduces the concept of information, a part of the branch of mathematics called
information theory. The section may be of interest.
PHYS425 - Problem set 4 - due Sept. 28, 2006
September 21, 2006
1
Homework
Reif 5.18, 5.19 (also, sketch several isotherm curves on a P -V plot, with the axes scaled as
P/Pc and V /Vc ), 5.23, 5.26
IV.1. Diesel engine (essentially Schroeder, problem 4.20)