Introduction. Equilibrium. Temperature. Heat, Work, and The First Law.
Physics 3700/Spring 2013
Introduction. Equilibrium. Temperature. Heat, Work, and The First Law.
Relevant sections in text: 1.11.5
The Big Picture
Thermal Physics is the subject everybo
K.K. Gan
Physics 3700
Problem Set 2
Due September 24, 2012
1) Taylor, Problem 10.3, page 241.
2) Taylor, Problem 11.3, page 256.
3) A telemarketer made 100 calls in one day with a 10% success rate of making a sell. What is
the error on the success rate?
4
K.K. Gan
Physics 3700
Problem Set 3
Due October 8, 2012
1) Taylor P3.22, page 83.
2) Taylor P3.24, page 83.
3) Taylor P3.28, page 85.
4) Taylor P3.46, page 90.
5) In the Bohr theory of the structure of the hydrogen atom the energies of the various quantum
Gan/Kass
Physics 3700
Problem Set 4
Due Oct 22, 2012
1) The decay of an unstable particle is described by the following probability density function in terms
of the decay time (t) and the particles lifetime ().
p (t , ! ) =
e
"
t
!
!
Three measurements of
Gan/Kass
Physics 3700
Physics 3700
Problem Set 5
Due November 5, 2012
1) Suppose our variables x and y are related by:
y = x + x3
Assume we have n measurement pairs: (xi, yi ) (all ys have the same uncertainty, ).
Use the method of Least Squares to derive
Gan/Kass
Physics 3700
Physics 3700
Problem Set 6
Due November 26, 2012
1) Taylor, Problem 12.14, page 281.
2) Taylor, Problem 12.16, page 282
3) A set of n data points (xi, yi i) are related by: y = A + 5x.
a) Use the method of Least Squares to show that
Gan/Kass
Phys 3700
LAB 1
1) Roll a six-sided dice 100 times. Record each roll of the dice and plot the probability
distribution (i.e. make a histogram using KALEIDAGRAPH) for the 100 rolls.
a) What is your measured probability for the dice to come up with
Gan
Phys 3700
LAB 2
1. Measurement of
In this exercise we will determine a value for by throwing darts:
a) Determine by throwing a dart 100 or more times. To do this first make a dart board target
from an 8x11 inch sheet of paper. You can use the drawing
Gan
Phys 3700
LAB 3
The goal of this lab is to familiarize the student with the Central Limit Theorem, an amazing result
from probability theory that explains why the Gaussian distribution (aka "Bell Shaped Curve" or
Normal distribution) applies to areas
Gan/Kass
Phys 3700
LAB 4
In this lab we will perform some elementary nuclear physics experiments using radioactive
sources that emit rays. These experiments involve several pieces of sophisticated equipment,
e.g. computer interface, NaI (Sodium Iodide) ca
Gan/Kass
Phys 3700
LAB 5
The goal of this lab is to become familiar with the concept of energy resolution and to measure
the energy resolution of your NaI detector. In Lab 4, you measured the response of the NaI
detector to gamma rays and saw that a gamma
Gan/Kass
Phys 3700
LAB 6
The goal of this lab is to measure the lifetime () of a radioactive isotope. The lifetime of any
radioactive substance is governed by an exponential decay distribution (or law):
N (t ) = N (0 )e t /
In this equation N (t ) is the
Gan
Phys 3700
LAB 7
In this lab, we will perform an experiment that demonstrates the concept of propagation of errors
while learning how to use LabView to control the experiment. The experiment consists of
measuring 160 pairs of resistors. The total resis
LabVIEW
Lecture I: Introduction
LabVIEW Laboratory Virtual Instrument Engineering Workbench
Product of National Instruments (ni.com)
First released, 1986
Based on
Jeff Kodosky (1988), Father of LabVIEW
A graphical programming environment, replaces li
LabView
Lecture II: Data Acquisition
As mentioned previously, LabVIEW:
Is made to allow people with limited coding experience to write programs for automated
experiments much faster than with conventional programming environments
Has extensive suppo
Kass, revised Spring 2012
Nuclear Spectroscopy with the PC
Read the entire document before starting lab 4!
I) Introduction:
This write-up describes the software and associated hardware that is used to turn a PC into a
multi-channel analyzer (MCA). A multi
Fall 2012
K.K. Gan
gan@mps.ohio-state.edu
Office: PRB3140
Phone: 292-4124
Methods of Experimental Physics
(Physics 3700)
Class Goals:
As incredible as it might sound physics is a science that is based on experiment. No matter how
mathematically elegant or
K.K. Gan
Physics 3700
Problem Set 1
Due Monday, September 10, 2012
Note: To receive credit for the homework problem you must show how you arrived at your
answer, e.g. give the relevant formula and show your calculations.
1) The temperature (in degrees Kel
The Geiger
Features
The Geiger measures beta, gamma, and x-radiation using a Geiger-Mueller tube.
This tube generates a pulse of electrical current each time radiation passes through
the tube and causes ionization. Each pulse is electronically detected an
Heat Capacity. Enthalpy. Magnetic Systems.
Physics 3700/Spring 2013
Heat Capacity. Enthalpy. Magnetic Systems.
Relevant sections in text: 1.4, 1.5, 1.6
Heat Capacity
When the state of a system changes by heat transfer of energy, it is natural and
importan
Microstates and Macrostates. Multiplicities. The Second Law.
Physics 3700/Spring 2013
Microstates and Macrostates. Multiplicities. The Second Law.
Relevant sections in text: 2.2 2.5
Microstates and Macrostates
What is thermal equilibrium? What is temperat
Entropy. Temperature. Chemical Potential. Thermodynamic Identities. Third Law.
Entropy. Temperature. Chemical Potential. Thermodynamic Identities. Third Law.
Relevant sections in text: 2.6, 3.1, 3.2, 3.4, 3.5
Entropy
We have seen that the equilibrium stat
Free Energy. Thermodynamic Identities. Phase Transitions.
Free Energy. Thermodynamic Identities. Phase Transitions.
Relevant sections in text: 5.15.3
Helmholtz Free Energy
Thus far we have studied two observables which characterize energy aspects of a sys
Statistical Thermodynamics Basic concepts
Statistical Thermodynamics Basic concepts
Relevant sections in text: 6.1, 6.2, 6.5, 6.6, 6.7
The Boltzmann Factor
We now return to our analysis of microstates of thermodynamic systems, introducing
some powerful ne
Introduction to Quantum Statistical Thermodyamics
Introduction to Quantum Statistical Thermodyamics
Relevant sections in text: 7.17.4
Quantum Statistics: Bosons and Fermions
We now consider the important physical situation where the system is at a sucient
Physics 3700, Exam 1 Sample Questions
Here are examples of types of questions which might appear in Exam 2.
1. You mix 50 kg of water at 55 C with 25 kg of water at 10 C. What is the change in
entropy of the water due to the mixing? Show your work for par
WHAT IS A PHOTON?
Spontaneous emission: The need for quantum eld theory
In these notes I would like to try and give an introduction to the quantum mechanical
theory of the photon. The treatment I give is in the spirit of a treatment you can nd in
Diracs q
Lecture 1
Probability and Statistics
Wikipedia:
Benjamin
Disraeli, British statesman and literary gure (1804 1881):
There are three kinds of lies: lies, damned lies, and statistics.
popularized in US by Mark Twain
the statement shows the persuasive pow
Lecture 2
Binomial and Poisson Probability Distributions
Binomial Probability Distribution
Consider a situation where there are only two possible outcomes (a Bernoulli trial)
Example:
James Bernoulli (Jacob I)
ipping a coin
born in Basel, Switzerland
L ectu re 3
G a u s s ia n P r o b a b ilit y D is t r ib u t io n
Introduction
Gaussian probability distribution is perhaps the most used distribution in all of science.
also called bell shaped curve or normal distribution
Unlike the binomial and Poisso