PHYS 215: Introductory Quantum Physics!
Assignment 2!
Due in class Friday 30 May 2014
!
1. (5pts) Ch.3, problem 18
Calculate the temperature of a blackbody if the spectral distribution peaks at
(a) gamma rays, = 1.50 10-14 m;
(b) x rays, = 1.50 nm;
(c) re
PHYS 215: Introductory Quantum Physics!
Assignment 4!
Due in class Friday 13 June 2014
!
1. (5pts) Ch.4, problem 19
The Ritz combination rules express relationships between observed frequencies of
the optical emission spectra. Prove one of the more import
PHYS 215: Introductory Quantum Physics!
Assignment 1!
Due in class Friday 23 May 2014
!
!
1. (5pts)
Consider the Lorentz transformations
x0 = (x
ct0 = (ct
ct)
x)
where
1
2
1/2
v
c
Obtain the inverse transformations, that is x and ct as a function of x an
PHYS 215: Introductory Quantum Physics!
Assignment 5!
Due in class Friday 20 June 2014
!
1. (5pts) Ch.4, problem 40
Determine the correct equation to describe the K frequencies measured by Moseley.
Compare that with Moseleys equation for K frequencies. Do
PHYS 215: Introductory Quantum Physics!
Assignment 3!
Due in class Friday 6 June 2014
!
1. (5pts) Ch.3, problem 56
What wavelength of photons are needed to produce 30.0 keV electrons in a Compton
scattering so that the incoming photon has the smallest pos
1
PHYS 215 Assignment 1: Solutions
The marks for each question are indicated in parentheses. A total of 14 marks are available. 1. A mystery particle enters the region between the plates of a Thomson apparatues as shown in T-Rex Figure 3.3. The deflection
1
PHYS 215 Assignment 6: Soulutions
The marks for each question are indicated in parentheses. A total of 26 marks is available.
1. In a region of space, a particle with zero total energy is described by the wave function
2 /L2
(x) = Axex
,
where A is a no
1
PHYS 215 Assignment 4: Solutions
The marks for each question are indicated in parentheses. A total of 19 marks are available. 1. A gas of unexcited hydrogen atoms is subject to monochromatic light of wavelength (a) 80nm, (b) 121.6nm and (c) 200nm. Each
1
PHYS 215 Assignment 5: Solutions
The marks for each question are indicated in parentheses. A total of 22 marks is available.
1. A free electron is described by the wave function
(x) = A sin(5 1010 x),
where x is measured in metres. Compute the following
1
PHYS 215 Assignment 2: Solutions
The marks for each question are indicated in parentheses. A total of 16 marks are available. 1. Equation 21 of your notes assumes that a liberated photoelectron electron is moving non relativistically. Consider a photoel
1
PHYS 215 Assignment 3: Solutions
The marks for each question are indicated in parentheses. A total of 14 marks are available. 1. TRex Example 4.1 considers an elastic collision between an particle of mass M and velocity v and a stationary electron of ma
1
PHYS 215 Assignment 7: Solutions
The marks for each question are indicated in parentheses. A total of 23 marks is available.
1. Consider a square well consisting of an innite well at x = 0 and a potential of height V0 at
x = L (Figure 1). Obtain solutio
6 THE HYDROGEN ATOM
1
6
The hydrogen atom
Earlier in the course we used classical physics together with simple quantum arguments to study the Bohr model of the hydrogen atom. We will now apply the Schrdinger equation to the hydrogen o atom in an attempt t
5 QUANTUM TUNNELING AND SIMPLE HARMONIC MOTION
1
5
Quantum tunneling and simple harmonic motion
In this section we will apply the Schrdinger equation to understand the phenomenon of quantum o tunneling. We will investigate quantum tunneling in action, i.e
2 THE STRUCTURE OF THE ATOM
1
2
The structure of the atom
To understand how 20th century physics revealed the structure of the atom we must first consider how atoms were viewed at the end of the 19th century The atom was thought to be an indivisible unit
3 WAVE PROPERTIES OF MATTER
1
3
Wave properties of matter
In Lecture 1 we mapped out some of the principal interactions between photons and matter (electrons). At the quantum level, individual photons and electrons are described as particles in the variou
1 THE EXPERIMENTAL BASIS OF QUANTUM THEORY
1
1
The experimental basis of quantum theory
This introduction to quantum physics covers some very simple yet far reaching ideas:
the discovery of new particles (the electron and the photon) that require
new ph
4 THE SCHRODINGER WAVE EQUATION
1
4
The Schrdinger wave equation o
We have noted in previous lectures that all particles, both light and matter, can be described as a localised wave packet. De Broglie suggested a relationship between the effective wavele