Section # 001 Experiment #: 4 Date performed: 3-17-08 Date due: 3-31-08
Electricity from Motion (Induced Electromotive Force)
Principal investigator: Simeon Cherrix_ Skeptic: Researcher TA Clayton Spiceland__ Jay Patel_ Alec Sim_
Role
I
DC
AD
Section # 001 Experiment #: 1 Date performed: 1-28-08 Date due: 2-11-08
The Oscilloscope
Principal investigator: Skeptic: Researcher TA
Simeon Cherrix_ Clayton Spiceland _ Jay Patel _ Alec Sim_
Role
I
DC
AD
RC
Q1
Q2
PI
PG
I introduction
Results and Conclusions: For this lab, our purpose was to study the effects of magnetic fields in motion and how electromagnetic induction. By using three different types of magnets (bar magnet, electromagnet, and electromagnet w/ iron core), we can
Results and Conclusions For this specific lab, we were to familiarize ourselves with an oscilloscope to help us understand how to make judgments on voltage and time, but more importantly, to understand the error that comes from the readings that the
Introduction
This experiment deals with induced electromotive force. In this experiment the
research group uses bar magnets and electromagnets to induce currents. These induced
currents, as explained by Lenzs law, are a reaction to a change in magnetic fi
ANALYSIS AND DISCUSSION As in any scientific experiment it important to not only consider, but to include any error that is associated with the data. This experimental error should not be viewed as careless mistakes that could have been avoided. Ther
Section # 001 Experiment #: 5 Date performed: 4-7-08 Date due: 4-21-08
Diffraction
Principal investigator: Clayton Spiceland_ Skeptic: Researcher TA Jay Patel _ Simeon Cherrix_ Alec Sim_
Role
I
DC
AD
RC
Q1
Q2
PI
PG
I introduction DC data
Section # 001 Experiment #: 1 Date performed: 1-28-08 Date due: 2-11-08
Series and Parallel Circuits
Principal investigator: Clayton Spiceland_ Skeptic: Researcher TA Jay Patel __ Simeon Cherrix_ Alec Sim_
Role
I
DC
AD
RC
Q1
Q2
PI
PG
I in
Example Problems: Chapter 21 Q1: A step-down transformer is used for recharging the batteries of portable devices such as tape players. The turns ratio inside the transformer is 13:1 and it is used with 120 V (rms) household service. If a particular ideal
Chapter 24 Additional Example Problems w/Solutions
Q1. A laser beam ( = 632.8 nm) is incident on two slits 0.200 mm apart. How far apart are the bright interference fringes on a screen 5.00 m away from the double slits? L L L Ans: ybright = ym +1 - ym = (
Chapter 27 Additional Problems
Q1. When light of wavelength 350 nm falls on a potassium surface, electrons are emitted that have a maximum kinetic energy of 1.31 eV. Find (a) the work function of potassium, (b) the cutoff wavelength, and (c) the frequency
Chapter 28 Additional Example Problems
Q1. Show that the wavelengths for the Balmer series satisfy the equation
=
1
364.5n 2 nm n2 - 4
where n = 3, 4, 5, . . .
Ans:
Start with Balmer's equation,
1 1 = RH 2 - 2 = RH 2 n
n 2 - 4 4n 2 ,
or
=
4 n2 R H n 2
Physics 213
Test #2 July 17, 2008 Name:_ This is a closed book test. You may use a calculator and a self-made hand-written (no photocopying) crib sheet of dimensions no more than 8-1/2" x 11" with any information on one side. For multiple choice questions
Example Problems: Chapter 20
Q1: A solenoid 4.00 cm in diameter and 20.0 cm long has 250 turns and carries a current of 15.0 A. Calculate the magnetic flux through the circular cross-sectional area of the solenoid. A: The magnetic field generated by the c
Transformers
Physics 232
Transformers
A transformer is a device for increasing, decreasing, or isolating ac voltages.
A transformer is basically two coils of wire wrapped around each other, or wrapped around an iron core.
Pole-mounted transformer
When an
Radioactive Decay Example
PHY213
Radioactivity Problem Example 1: The half-life of an isotope of phosphorus is 14 days. If a sample contains 3.0 1016 such nuclei, determine its activity. Express your answer in curies.
The decay constant is =
l 2 n , so th
Physics 213
Final July 31, 2008 Name:_ This is a closed book test. You may use a calculator and a self-made hand-written (no photocopying) crib sheet of dimensions no more than 8-1/2" x 11" with any information on both side. For multiple choice questions,
Nuclear Decay Worksheet
Using your knowledge of nuclear decay, write the equations for the following processes: 1) The alpha decay of radon-198
2)
The beta decay of uranium-237
3)
Positron emission from silicon-26
4)
Sodium-22 undergoes electron capture
5
Additional Example Problems From Chapter 23 Q1: Use Figure below to give a geometric proof that the virtual image formed by a plane mirror is the same distance behind the mirror as the object is in front of it.
FIGURE: A geometric construction to locate t
Additional Example Problems, Chapter 22
Q1: Calculate the energy in electron volts of a photon having a wavelength in (a) the microwave range, 5.00 cm; (b) the visible light range, 500 nm; and (c) the x-ray range, 5.00 nm.
E = hf = hc = 63 ( 6. 10
- 34
A:
Chapter 21
PHY213
James Clerk Maxwell Chapter 21 (cont)
Electromagnetic Waves (Ch. 21.8-21.13) Note: There will be no quantitative questions on Doppler effect
1831 1879 Electricity and magnetism were originally thought to be unrelated in 1865, James Clerk
Atomic Structure Worksheet
Fill in the blanks for the elements in this chart. Nucl. Label Isotopic nuclide Lithium-_ Number of Protons Number of Neutrons Number of Electrons
A
Atomic Mass
Atomic Number
X
Z
7
Carbon-14
Chlorine-_
35 47
Silver-_
Lead-207
Ca
Chapter 19, part 1
PHY213
Magnets Chapter 19
Magnetism
Poles of a magnet are the ends where objects are most strongly attracted
Two poles, called north and south
Like poles repel each other and unlike poles attract each other
Similar to electric charges
M
Chapter 19, part 2
PHY213
Ch. 19: Magnetism (Cont.)
Skip 9.5 Motion of a charged particle in a magnetic field Magnetic field around a wire Magnetic field of a current loop Magnetic force between two wires (Ampere defined) Solenoids Magnetic Domains
Force
Chapter 22
PHY213
A Brief History of Light Chapter 22
Reflection and Refraction of Light
Read Ch. 22 (exclude 22.5-6), Ch. 23 (in 23.4, only flat refracting surfaces; in 23.6, no combination lenses)
1000 AD
It was proposed that light consisted of tiny par
Chapter 23, Part 2
PHY213
Thin Lenses
A thin lens consists of a piece of glass or plastic, ground so that each of its two refracting surfaces is a segment of either a sphere or a plane Lenses are commonly used to form images by refraction in optical instr
Measurement of the Acceleration Due to Gravity Near the Surface of the Earth
A. Aleksandrova, L. Kelton, M. Nasseri, D. Schaper, and B. Plaster*
Department of Physics and Astronomy, University of Kentucky, Lexington, KY 40506
Abstract
A central principle
1
Principal Investigator- Brandon Schwarte
Researcher- Kevin Beyer
Data Analyst-Jenna Spenlau
Lab #1: Sound
Introduction- by PI
The purpose of this lab is to explore the relationship between frequency and velocity. To explore this
concept, our group perfo
Analysis By DA
Lab 2 Data
Lmin(cm)
Lmax(cm)
6
7.5
mmin(g)
mmax(g)
0.084
0.105
smin(cm)
smax(cm)
12
12.3
min()
max()
19.5
20.5
min(rad)
max(rad)
0.34
0.358
rmin(cm)
rmax(cm)
4.342478
7.16509
Mass for 1 meter of tape (g)
1.4
Observational Data
Objects
A clo
Part 1
Tr
ial
Frequ
ency
from
functi
on
gener
ator
(Hz)
f
gener
ator
(Hz)
Time
for 10
oscilla
tions
(s)
1
0.51
0.005
15.94
2
1.00
0.005
4.62
3
1.00
0.005
3.70
T
(s
)
0.
1
2
0.
1
2
0.
1
2
Time
for 1
oscillati
on(s)
1.59
0.46
0.37
t
(s
)
0.
1
2
0.
1
2
0.
1
Principal Investigator Brandon Schwarte
Researcher Kevin Beyer
Data Analyst Jenna Spenlau
Lab # 4: Ohms Law
Introduction- by PI
The purpose of this lab is to explore the idea of Ohms law, = R. To
explore this concept, we used two different independent var