Discussion Plan: Week 1
For PHYS 17, 8 Jan 2013
Erin Hansen
Albert Brown
1
[email protected][email protected]
Housekeeping:
Discussion is held on Wednesdays at 3pm in PAB 2434. Clubhouse o
PHYS 17 (IQMSM)
Review Sheet for Midterm 2
Winter 2014
The Exam
The exam will take place on 28 February 2014 at 11am.
As I understand it you are allowed one page of notes. Other than that, you are not
Homework Problem Set No. 2 Physics 17
Due: Friday, October 11, in class
1. Consider the Rutherford scattering of a fully ionized helium nucleus (atomic number 2) off gold (atomic number 79). If the he
Lecture 26 The Earths Suface Temperature
The main source of heating energy for the Earths surface is the Sun. We approximate the
surface of the Sun as a gas at a single temperature, T . If R is the ra
Lectures 22/24 Blackbody Radiation November 22, 25, 27
The calculation proceeds by estimating the energy carried in each mode of energy E or
h, and then calculating the density of states with this ene
Homework Solutions - 3
PHYS 17 - Due 18 Oct 2013
Problem 1
We want to show that E must exceed the minimum value of V (x) for every normalizable solution.
For the purposes of this solution, lets assume
Homework Solutions Set No 2 - Physics 17
Problem 1
The angle of scattering in Rutherford scattering depends on the impact parameter, with larger
deflection occurring for smaller impact parameters. The
Lectures 4,5 Rutherford Scattering October 4, 7
We compute the hyperbolic orbit of a charged particle scattering off a positively charged
nucleus. We use polar coordinates (r, ) centered on the scatte
Lectures 16/18 The Ideal Gas and the Maxwell-Boltzmann Distribution
November 4/8
We now apply our statistical description of an ensemble of particles to an ideal gas of
composed of N particles of mass
Lectures 20 Heat Engines November 15
We are interested in building machines to extract work from heat, for example a car
engine. We start with the first Law of Thermodynamics:
dQ = dE + p dV
(1)
Consi
Lecture 17
Baroque and Rococo Architecture:
France and Central Europe
ROCAILLE
ROCOCO
18th Century
Rococo
Variety of aspects and regional distinctions
Ornamented style
Motivation for the autonomy o
Lecture 13-14
Baroque Architecture
What do we mean by Baroque?
The Terminology
What do we mean by Baroque?
Terminology
At first meaning "irregularly shaped or irregular pearl" (derived from
Portugues
Lecture 16
Baroque Architecture: Rome and Turim
Gianlorenzo Bernini
Francesco Borromini
Guarino Guarini
Bernini
Cornaro Chapel (1645-52)
Santa Maria della Vittoria, Rome
Built as the burial chapel of
Lecture 18
Baroque and Rococo Architecture
in Latin American
Latin American Baroque and Rococo
Treaty of Tordesillas
(1494), divided the newly discovered lands outside
Europe between Portugal and Spai
Lecture 12 Probability Distributions October 25
We need to compute probabilities of different events occuring. Often, we do not care
about the order of the events but simply the total number. (Example
Homework Solutions - 1
PHYS 17 - Due 4 Oct 2013
Problem 1
The classical radius is determined by assuming that the rest mass energy equals the electrostatic
self-energy, computed by assuming a sphere o
Based on the wavelike solution to Maxwells equation, the photoelectric effect is
dependent on wavelength and not a deposition of energy/intensity. If, hypothetically,
the photoelectric effect were bas
Homework Problem Set No. 1 Physics 17
Due: Friday, October 4, in class
1. Calculate the classical radius of a proton and compare that to the classical radius
of an electron. The classical radius is de
Problem 1
Using the formula for
given in the homework:
2
=
( 1)
find the value of the frequency for which
be a function of temperature (T).
is maximum. This should
How does the peak frequency of a hum
Lecture 8 Particle in a 1-D Box October 14
We now consider solutions to Schroedingers equation. The simplest example is a particle
in a 1D box with potential given by V = for x < 0; V = 0 for 0 x a an
Extra Homework Problems
1. Pressure has the same dimensions as energy density. If we are immersed within a
blackbody radiation field at 300 K, what is the ratio of the energy density in the radiation
Homework Problem Set No. 4 Physics 17
Due: Friday, October 25, in class
1. Evaluate the definite integral:
Z
2
x4 eax dx
(1)
2. Consider a Gaussian distribution of the form:
2
f (x) = A eax dx
(2)
Def
Lecture 9 Particle in a 3-D Box October 16
We can write that in a 3-D box with sides a, b and c, measured along the X-axis, Y -axis
and Z-axis, respectively, that the time-independent Schroedinger equ
Homework Solutions Set No 4 - Physics 17
Problem 1
Define
Z
+
I(a) =
2
eax dx
(1)
You can show that
I(a) = ( )1/2
a
Taking the first derivative we find that
I
= 3/2
a
2a
And the second derivative woul
Homework Solutions - 5
PHYS 17 - Due 1 Nov 2013
Problem 1
The easiest way to solve this problem is by creating a table. I had four columns - Wins, Losses,
Profit, and Probability.
For Profit, I consid
Lectures 14/15 Entropy, Heat and Temperature October 30/November 1
We now consider an ensemble of particles. We define the entropy, S, as:
S = k log
(1)
where k = Boltzmanns constant = 1.38 1023 joul
Lecture 7 Matter Waves and Schroedingers Equation October 11
In order to understand matter on the atomic level, we are required to associate waves
with each particle. We approach the task as described
Lecture 6 Model Atoms October 9
1
The Failed Classical Model
The Rutherford view of the atom leads to immediate problems with any classical physics
view. Consider, for example, hydrogen which has one
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ClassOrganization
Goal of Phy17:
Phy17 is a bridge class between Phy1 series and upper level classes. It will provide you a taste of
modern physics, preparing you for the upper level classes, such as