November 12, 2015
PHYS 20800 Section ST5
Oscilloscope and RC Circuits
Introduction
The goal of this lab was to observe the charging and discharging of a capacitor using the oscilloscope as well as
being able to measure the impedance of an electric voltmet
October 14, 2015
PHYS 20800 Section ST5
Reflection, Refraction, Dispersion
Intro/Summary
This lab was designed to help students visualize and get better understanding of diffraction grating
and interference. Students were also able to see the many geometr
Lab 4: Electrical Potential
Introduction:
The purpose of this lab experiment is to observe and understand the concepts of electric potential
and electric fields, with the help of Gausss Law. Establishing an electric potential difference between two
conduc
Introduction: This lab was designed to help students understand how electric fields work and
gain knowledge of electric potentials. Students used a voltmeter to calculate the electric potential
difference after the plotting board was plugged in. Students
September 9, 2015
PHYS 20800 Section ST5
Standing Wave in Strings
Purpose
F
The purpose of this lab was to to prove that v = works and help students understand how the
frequency varied with changes in the tension force and string densitie. This was done b
Notes for waves, J. Hedberg 2015
8/27/15, 1:54 PM
Waves
Types of waves
Mechanical
Waves
Electromagnetic
Waves
These
waves
require a
medium. A
disturbance in the
medium propagates
through the medium
and this is called the
wave.
These are
oscillations of
el
Light as a wave
We've spent some time developing a powerful set of tools for analyzing the physics of waves. So far, we've treated cases
like waves on a string, or sound waves as they propagate through air. But, there are many more phenomena in the
natura
Notes for superposition, J. Hedberg 2015
9/2/15, 1:58 PM
Superposition of Waves
What happens when two waves touch.
Principle of Superposition
When two marbles collide, they bounce back. That's how material objects
behave. Two different objects can't occup
Optics
Models of Light
The Wave Model
Wave optics treats light as a wave and uses a similar analytical
framework as sound waves and other mechanical waves.
The Ray Model
Ray optics uses the fact that light seems to travel in a straight line. This
makes un
PHYS 208, Spring 2015, Sections GH1, GH2, GH3; Midterm exam #1
Examiner: Dr. J. Hedberg
Date: Wednesday, Feb 25, 5:15 pm - 6:45 pm
Student
name
_
Seat
#
_
Instructions:
This exam consists of 4 short answer problems and 7 multiple choice questions and 1 vi
Notes for gausslaw, J. Hedberg 2015
10/12/15, 6:16 PM
Gauss's Law
e =
E dA =
Q
O
Consider these two diagrams of flowing air.
We can think about the amount of air passing
through each of the two loops. Intuitively, we
would expect that amount is greater in
Notes for electric-potential, J. Hedberg 2015
3/15/15, 12:10 PM
Electric Potential
Potential, the electric kind
When the spring was at the equilibrium position,
we said it had U = 0 .
Then we applied a force, and did some work, and
that increased the pote
Electric Fields - Phys 208
1. Fields from isolated charges
2. Fields from continuous charges
2.1 A linear charge distribution.
Electric Potential - Phys 208
1. Work & Forces & Energy
1.1 A object and some Forces
If no potential energy is present in the sy
Electric Fields - Phys 208
1. Fields from isolated charges
a) For the three arrangements of charges below, draw the electric field direction at each place where a dot is located. Try to estimate
the relative magnitudes of the field vectors. (All charges h
Notes for electric-elds, J. Hedberg 2015
10/7/15, 3:09 PM
Electric Fields
Near the surface of the earth, we agreed to call the force
of gravity of constant.
This meant that, to a reasonable approximation, the force
between an object, like a rock, and the
Electric Currents - Phys 208
1. Currents
1.1 A very simple circuit
Below is a very simple circuit consisting of just a battery and a metal wire.
a
a) Locate along the wire the approximate places were V = 3V, 2V, 1V, 0V.
b) Which direction would the electr
Lab 2: Reflection, Refraction, Dispersion
October 30, 2015
Introduction
This lab was designed to help students understand the effects of how light rays change in
direction and how Snells Law is proven. This experiment had students utilize a lamp housing
w
November 30, 2015
PHYS 20800 Section ST5
Electromagnetic Induction -B
Abstract
Electromagnetic induction is the production of an electric current across a conductor moving through a magnetic
field. The goal of this lab was to understand electromagnetic in
May 12, 2015
PHYS 20800 Section CC3
Electrical Resonance (R-L-C series circuit)
Abstract
The goal of this lab was to understand electrical resonance in a RLC circuit.
Results/Procedure/Data:
Before coming to lab we read the lab manual. Then we listened to
Jeffrey Aigbe
EE4
Lab 3: Diffraction Grating and Interference
Introduction:
Light is a transverse electromagnetic wave. Diffraction and interference are phenomena observed
with all waves. Diffraction is the tendency of a wave emitted from a finite source
Abstract
The goal of this experiment is to understand geometric properties of light wave and check interference of
light. The calculated wavelength determined through the grating spectrometer produced data with less than 10% error
compared to the actual w
The induced voltage V, generated in a coil by a changing magnetic flux was measured. A small coil is placed at
the center of a bigger coil and the voltage was measured at various locations. As the distance and angle were
increased, the voltage was observe
ABSTRACT
The outcome of the experiments is to illustrate the laws of reflection and refraction of light rays
using simple mirrors and lenses. The data collected was supported by snails law and follows the
laws of reflection and refraction.
INTRODUCTION
Li
Standing Waves in Strings
APPARATUS
1. Buzzer (vibrating at a given frequency) mounted on a board with a pulley
2. Electronic balance
3. 2 Strings, one light and one heavy
4. Set of known masses (slotted type)
(4 100 g, 4 50 g, 2 20 g, 2 10 g, 1 5 g, 2 2
Standing Waves in Strings
Abstract
This experiment was conducted to confirm the properties of standing waves in strings under tension.
Two different types of string were used, thick and thin strings. The average experimental frequency was close
to the cal
(2008: 4)
A thin ring of mass M and radius R rotates about an axis through
its edge. The ring starts at its highest point and is given a very
small push to start its rotation. Its angular velocity at the lowest
point is
Ans:
2g
R
(2008:8)
A uniform rod of
PH 221-3A Fall 2010
Waves - I
Lectures 25-26
Chapter 16
(Halliday/Resnick/Walker, Fundamentals of Physics 8th edition)
1
Chapter 16
Waves I
In this chapter
p we will start the discussion on wave
phenomena. We will study the following topics:
Types of wave
Problem Set 5 Solutions
Due: 10/6/09, Tuesday
Chapter 25: Capacitance
Exercises & Problems: 6, 12, 15, 23, 31, 43, 47, 48
Chapter 25 Even Answers
7.2, 1.00 104 C, 7.7 107 C, 2.00 105 C, 84.5 pF, 191 cm2
Question A
The freshness of fish can be measured by
Physics 208 Review Questions - Final
1. A guitar string 0.650 m long has a tension of 61.0 N and a mass per
unit length of 3.00 g/m. (a) What is the speed of waves on the string
when it is plucked? (b) What is the string's fundamental frequency of
vibrati
Standing Waves in Strings (Lab 1)
Procedure
In this lab we were provided with two strings, a light string and a heavier string. First, we
weighed the strings on a scale to determine the mass. We also measured the lengths of each
string using the meter sti
Lab #3 - Diffraction Grating and Interference
Introduction
This lab helped to visualize diffraction grating which consists of evenly spaced and parallel slits
on a surface. In the case of this lab we witnessed wave of lights going through a diffraction
gr
Lab 4
Introduction
In electrostatics, electric field (E) and electric potential (V) are two interchangeable physical
quantities for describing electric force, although the former is vector and the latter scalar. If
placing a test electric charge of charg
Lab #6
Introduction
Induction is the process by which a current is induced in a wire due to a changing magnetic field.
The flux can be changed by passing a permanent magnet through a coil of wire or by moving a
wire through the magnetic field of an electr
INTRODUCTION:
The oscilloscope is a device used to measure oscillation of voltage or electrical current.
The display on the oscilloscope features a screen with squares that correspond to divisions of a
value. There are various control knobs on the oscillo
