Multiple choice questions 14.
Write your answer(s) in the box provided. When more than one choice is possible, all correct
choices and no incorrect choices must be listed for full credit.
Problem 1 [4 points]
Which of the following results of a photoelect
PHYS 2214 Homework 9 Solutions
Figure 1: Plots of R, |R|, and T versus 61 for E and B for (r = 1.33.
2.0 2.5
E. a]pha=0.75 T
alpha=0.75
Figure 2: Plots of R, |R|, and T versus 61 for E and B for O: = 0.75.
1. (a) See Figure 1 and Figure 2 abo
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Physics 2214 Assignment 11
Concepts:
Diffraction by a single slit
Diffraction by N slits
Resolution
Reading: Y&F, Vol. 2, Chapter 36
Assignment: Due Tuesday, April 22, by 4:30 pm in the homework boxes.
Recommended co-op
A. A pinhole
screen
Image formed? Yes No
Upright
Real
P1
Inverted
Virtual
Vertical Magnification:
P2
Image formed? Yes No
Upright
Real
P1
Inverted
Virtual
Vertical Magnification:
P2
For a very small pinhole, does the horizontal distance from the pinhole a
Physics 2214
Solutions for Homework #4
Page 1 of 6
Spring 2014
1. Waves on a spring.
Write Newtons second law for a small piece of the spring that has extent
! . The subscript m stands for mass and refers
Physics 2214
Solutions for Homework #11
Page 1 of 5
Spring 2014
1. Phased array radar.
(a) The antennas are all in phase, so the relation for finding principal maxima of
multiple slit sources can be used.
2 = si
Physics 2214
Prelim 1
730-9 pm, March 9, 2010
Your Name:
_
Section Number:
Section Instructor:
Problem
Points
1-4
23
5
8
6
7
7
20
8
15
9
12
10
15
TOTAL
Your Score
100
Instructions:
Please write your name, section number and section instructor at the top.
PHYS 2214 Homework 2 Solutions - Sina Bahrami
1
1.1
The natural frequency is
780rad/s+820rad/s
2
= 800rad/s.
1.2
By denition, Q =
0
=
800
40
= 20
1.3
(c)Again by denition, E =
1
= 0.025s.
2
2.1
Problem states that the oscillating system is displaced from
PHYS 2214 - Spring 2014
HW 3 Solutions
PHYS 2214 - Oscillations, Waves, & Quantum - Spring 2014
Homework 3 Solutions
Written by Kathryn McGill & John Stout
Updated by Yalcin Ozhabes ao294@cornell.edu
1. Wave Motion
(a) We want to write our equation in the
TA's Name:_Section: _
Your Name: _
Physics 2214 Assignment 7
Concepts:
Energy and power in waves
Fourier analysis, non-sinusoidal drives
Maxwell equations in differential form
Reading:
Electromagnetic waves
Plane waves
Relation between E, B and v
Lecture
P2214 Homework 6 solutions Spring 2014
Spring 2012
1 Interference and beats
The initial fundamental frequency is given by:
f0 =
v
1
v
=
=
2L
2L
.
Now the second string is stretched a little and will oscillate at slightly dierent frequency, f0 .
The beat f
PHYS 2214 - Spring 2011
HW 5 Solutions
March 1, 2011
1.
(a) The left pulse will reach at the left boundary. Since its an open boundary we need the derivative to
cancel at x = 0. To draw the resulting pulse, have it interfere with a second mirror image pul
TA's Name:_Section: _
Your Name: _
Physics 2214 Assignment 6
Concepts:
Reflection and Transmission of waves
Beats
Doppler Effect
Reading:
Energy and Power in waves
Fourier Analysis
Response to Nonsinusoidal Drives
Lecture Notes 10,11 and 12; Y&F, Vol. 1,
TA's Name:_Section: _
Your Name: _
Physics 2214 Assignment 9
Concepts:
Wave Reflection and Transmission
Snells Law
Oblique incidence: E| and B| expressions Critical angle; evanescent waves
Polarization by reflection; Brewsters Angle Power and Momentum of
Keys to Success in Physics 2214
1. You can't learn how to do physics by reading the text or the solutions
manual.
Do lots and lots of problems, both on your own and in groups.
Your ability to solve problems on your own is the gold standard
against which t