A19. in a ssion reactor. the purpose of the moderator is to
(A) absorb neutrons and hence slow the reaction down.
D (B) 01!le energy to the turbines that generate the electricity.
(C) prevent radioactive material from contaminating the fuel rods.
PHYS 322 Waves and Quantum Theory Homework set #2 Due April 11 1. Derive an expression for the intensity of an interference pattern due to light coming from four equally spaced slits. This will be a function the slit spacing d and of the angle from the ax
Homework Set #6 Due May 3 1. Verify that the parity of the one-electron eigenfunctions 300 , 310 , 320 , and 322 , is determined by (1) . These wavefunctions are listed here. The As are just normalization constants, and ao is the rst Bohr radius.
Exercise Set #11
We have examined the one-dimensional Kronig-Penny model for electrons travelling in a one-dimensional lattice of square well potentials. We nd that for very narrow, deep wells, P sin a + cos a = cos ka a (1)
Here, P =
PHYS 322 Problem set #1 (Review Problems) SOLUTIONS 1. Consider a particle in the lowest energy state of a quantum mechanical simple harmonic oscillator. Determine the probability of nding the particle within the classical limits of motion. The solution i
PHYS 322 Homework #3
Solution 1. (There is no single solution to this one.) 2. The shells of multielectron atoms are, by convention, labelled K, L, M, etc. Principle quantum number n = 1 for electrons in the K shell, n = 2 for the L shell, etc. The K-seri
Homework Set #5 Due April 28 1. (Review problem.) The radial wavefunction of a hydrogen electron in a 2s orbital is R20 (r) = where ao is the rst Bohr radius. (A) Use a spreadsheet to accurately plot the probability density as a function of r. Us
Exercise Set #12
1. Complete the reaction given here, involving the fission of
U 92 +1 n0 -90 Sr 38 + ? + 2 1n 0
We know that the number of protons in the unknown must be 92 - 38 = 54, so the element is xenon. It's atomic m
PHYS 322 Problem set #9 SOLUTION
In deriving the Boltzmann distribution, we consider a system in contact with a heat reservoir and look at the total number of distinguishable divisions of energy, g(U ). Suppose there are two systems S1 and S2 , in thermal
PHYS 322 Problem set #4 SOLUTIONS 1. Monochromatic green light of wavelength 550 nm illuminates two parallel narrow slits 7.70 m apart. Calculate the angular deviation of the third-order bright fringe, in degrees. We just use the expression for two-slit i
Exercise Set #10
1. Suppose N distinguishable atoms are distributed over two energy levels, E1 = 0 and E2 = . (A) Show that the energy of the system is given by ES = N e/kT 1 + e/kT
(B) Show that the specic heat due to the system is C
Exercise Set #7
1. Consider a 3 P1 3 D2 transition in an atom which is placed in a weak magnetic eld. Determine the Land g-factor for the splitting of each state. Draw an energy level e diagram showing the allowed transitions. Sketch
1. =A child on a playground swing has amass of 30 kg. She is swinging back and forth,
and at the bottom of the path she is swinging 2.2 m/s. The length of the chain holding her
is 3.2 m.
A. Draw an FBD of the child at the lowest point of her path
1. (a) What is the momentum of a 1.20104 kg garbage truck moving at 30.0m/s? (b) At
what speed would an 8.00 kg trash can have the same momentum?
a. The linear momentum of an object is the product of its mass and velocity:
The momentum of a 1.20 104
1. If someone pushes only with one arm on the bench press like machine, that arm does not have
to exert twice as much force as would use with two arms. If you push with one arm, say the left,
the pulleys in the system will reduce friction because of where
1. Madama Cristina was the grand duchess of Tuscany, and mother to the grand duke. She
opposed the Copernican theory, as it conflicted with the Scripture. This was a problem for
Galileo because he suspected that this theory stood on the verge of suppressi
Atwoods Machine Lab
May 7, 2013
I used a ceiling light to attach my pulley with two hanging masses. The height from the pulley system to the
floor was 2.2 meters. I found that my time intervals were less than 1.5 seconds when
PHYS 201 (Online)
Worked-out problems in mechanics
Many of these are problems from Paul Peter Urones book College Physics, 2nd
Ed., which used to be the text for the on-campus physics sequence.
Problem 1.8 Calculate the approximate number of atoms in a
Lecture notes for free-body diagrams
Compare two systems, the inclined plane (with no friction) and a mass swinging on the end of
a string. The free-body diagrams are identical. The force N normal to the plane corresponds to
the tension T in the
Midterm Review Sheet
The exam will cover material from the rst 5 weeks of the course. You probably will be asked
to resolve a force vector into two components. Anything you did in the rst two labs may
also be asked.
You may bring with you a 3 5
PHYS 201 General Physics
Final Exam Review Sheet
The nal exam will be comprehensive. It will include textbook material through Chapter 10
of the OpenStax textbook. Look over the midterm exam review sheet and the midterm exam.
Anything material from labor
PHYS 201 syllabus, spring 2013
EASTERN OREGON UNIVERSITY
College of Arts and Sciences
Spring term 2013
Course prefix: PHYS
Course number: 201
Course Name: General Physics
Instructor Last name: HERRMANN
Delivery mode: online, with proctored