EE 320 F2015 Homework #2 (Due Sept. 17, 2015)
1.
If one side of a thin lens is filled with ethyl alcohol and the other side is filled with water,
find the front and the second focal lengths of the lens. Here R1 and R2 are the radii of
curvature of the len
EE320 SP 2010
HOMEWORK #8
Due: Friday April 30th, 2010 at 4:30 pm (EE HW slot outside 121 EE East).
Note: I will have office hours on Friday April 30th from 12:00 pm to 1:30 pm in lab 1 EE
East (Basement)
1.
Calculate the photon energy in Joules and eV fo
EE320 SP 2010
HOMEWORK #6 - SOLUTION
1.
How many wavelengths wide must a single slit be if the first Fraunhofer diffraction
minimum occurs at an angular distance of 30 o from the optic axis.
2.
Since diffraction is basically an edge effect, diffraction at
EE320 SP 2010
HOMEWORK #5 - SOLUTION
1. A beam of light in air strikes the surface of a smooth piece of plastic having an index
of refraction of 1.55 at an incident angle of 30 degrees. The incident light has
component electric field amplitudes parallel a
February 22nd, 2010
EE320 Mid-Term I Make Up
In class exam - 75 minutes
DO ALL PROBLEMS
Name: _
1. (10 pts) A laser beam impinges on the two mirrors at the incident angle of 30O, as shown
below. What is the reflection angle off the second (tilted) mirror?
EE320 SP 2010
HOMEWORK #1
Due: Wednesday January 27th, 2010 at 4:30 pm (EE HW slot outside 121 EE East).
1. Two plane mirrors subtend a certain angle with each other. A ray of light is parallel to
one of the mirrors, and after four reflections it exactly
February 23rd, 2010
In class exam: 75 minutes
EE320 Mid-Term I
DO ALL PROBLEMS
Name: _
1. (10 pts) A laser beam impinges on the two mirrors at the incident angle of 20O, as shown
below. What is the reflection angle off the second (tilted) mirror?
1
2. (15
EE320 SP 2010
HOMEWORK #7 - SOLUTION
1.
A Michelson interferometer uses a HeNe laser with wavelength 633 nm. If the visibility
becomes zero when l1 l2 10cm , determine the value of the mutual coherence function 12
and the coherence length of the light.
2.
EE320 SP 2010
HOMEWORK #8 - SOLUTION
1.
Calculate the photon energy in Joules and eV for photons in
a.
the microwave region ( = 1 cm)
b.
the visible region ( = 0.5 microns)
c.
the X-ray region ( = 0.1 nm)
2.
Determine the range of energies in electron-vol
EE320 SP 2010
HOMEWORK #7
Due: Monday April 26th, 2010 at 4:30 pm (EE HW slot outside 121 EE East).
Note: I will have office hours on Monday April 26th from 12:00 pm to 1:25 pm in lab 1 EE
East (Basement)
1.
A Michelson interferometer uses a HeNe laser wi
EE320 SP 2010
1.
HOMEWORK #4 - Solution
For each of the waves listed below, determine if it is a longitudinal or a transverse
wave, and calculate the wavelength, the frequency, and the wave velocity.
a.
5 z sin 1.25664 z 125.664t
b.
c.
2.
5 y sin 1.256
2.5. INTERFERENCE
a.
Introduction
Two or more waves can add or attenuate each other. Example: water waves.
Interference of two circular waves
Time-averaged intensity patern
For two planes waves E1 and E2 :
j k r t j k r t
E E1 E2 E10e 1 1 1 1 E20e 2 2
EE320 SP 2010
HOMEWORK #3
Due: Tuesday February 16th, 2010 at 4:30 pm (EE HW slot outside 121 EE East).
1.
Three thin lenses of focal length f1 = 10 cm, f2 = 20 cm, and f3 = -40 cm are in
contact, forming a single unit. If an object is located 16 cm in fr
EE320 SP 2010
HOMEWORK #2
Due: Tuesday February 9th, 2010 at 4:30 pm (EE HW slot outside 121 EE East).
1. Derive the thin lens formula (please do all the steps we did not do in class) starting
from the figure below and the application of the Gaussian form
EE320 SP 2010
HOMEWORK #4
Due: Thursday March 4th, 2010 at 4:30 pm (EE HW slot outside 121 EE East).
1.
For each of the waves listed below, determine if it is a longitudinal or a transverse
wave, and calculate the wavelength, the frequency, and the wave v
EE320 SP 2010
HOMEWORK #3 - Solution
Due: Tuesday February 16th, 2010 at 4:30 pm (EE HW slot outside 121 EE East).
1.
Three thin lenses of focal length f1 = 10 cm, f2 = 20 cm, and f3 = -40 cm are in
contact, forming a single unit. If an object is located
EE320 SP 2010
HOMEWORK #5
Due: Thursday March 25th, 2010 at 4:30 pm (EE HW slot outside 121 EE East).
1. A beam of light in air strikes the surface of a smooth piece of plastic having an index
of refraction of 1.55 at an incident angle of 30 degrees. The
EE320 SP 2010
HOMEWORK #1 - Solution
1. Two plane mirrors subtend a certain angle with each other. A ray of light is parallel to
one of the mirrors, and after four reflections it exactly retraces its path. What angle do
the mirrors subtend?
2. Two plane m
EE320 SP 2010
HOMEWORK #2 - SOLUTION
Due: Tuesday February 9th, 2010 at 4:30 pm (EE HW slot outside 121 EE East).
1. Derive the thin lens formula (please do all the steps we did not do in class) starting
from the figure below and the application of the Ga
EE320 SP 2010
HOMEWORK #6
Due: Tuesday April 13th , 2010 at 4:30 pm (EE HW slot outside 121 EE East).
1.
How many wavelengths wide must a single slit be if the first Fraunhofer diffraction
minimum occurs at an angular distance of 30 o from the optic axis.
The Pennsylvania State University
Department of Electrical Engineering
EE 320 Spring 2011
Midterm Exam #1
Time: February 17, 2011, 7:00pm 8:45pm
Student Name:
Spring Key
PSU ID #:
02.17.2011
Problem 1
/ 10
Problem 7
/ 10
Problem 2
/ 10
Problem 8
/ 10
Prob
The Pennsylvania State University
Department of Electrical Engineering
EE 320 Spring 2011
Midterm Exam #2
Time: March 31, 2011, 7:00pm 8:45pm
Student Name:
Key
PSU ID #:
Problem 1
/ 10
Problem 7
/ 10
Problem 2
/ 10
Problem 8
/ 10
Problem 3
/ 10
Problem 9
EE 320 F14 Homework #5 (Due Oct. 16, 2014)
1.
(a) Please write down the mathematical expression for plane wave.
(b) Please write down the mathematical expression for cylindrical wave.
(c) Please write down the mathematical expression for spherical wave.
2
EE 320 F14 Homework #6 (Due Oct., 2014)
1.
What is the definition of interference
2.
What is the necessary condition on the path difference between two waves that interfere (a)
constructive (i.e., enhanced) and (b) destructively (i.e., attenuated)?
3.
Exp
EE 320 F14 Homework #7 (Due Nov. 6, 2014)
1.
What is the polarization?
2.
What is birefringence
3.
Two linear polarizers are positioned one behind the other. What are should linear
transmission axes made if an incident unpolarized light with an intensity
EE 320 F2013 Homework #8 (Due Dec. 2, 2014)
1.
2.
3.
4.
5.
6.
7.
What is the duality nature of the light?
A light beam has a wavelength of
, calculate the momentum and the energy of
600 nm
the photon.
In problem #2, if the light intensity is 10 W/cm2, ca
EE 320 F16 Homework #3 (Due Sept. 23, 2016)
1.
A philatelist examines the printing detail on a stamp using a convex lens of focal length 10
cm as a simple magnifier. The lens is held close to the eye, and the lens-to-object distance
is adjusted so that th
EE 320 F16 Homework #6 (Due Oct. 25, 2016)
1.
What is the definition of interference
2.
What is the necessary condition on the path difference between two waves that interfere (a)
constructive (i.e., enhanced) and (b) destructively (i.e., attenuated)?
3.
EE 320 F16 Homework #7 (Due Nov. 1, 2016)
1.
What is the difference between Fraunhofer and Fresnel diffraction?
2.
Although we can hear around corners, we cannot see around corners. How can you explain
this in view of the fact that sound and light are bot
EE 320 F16 Homework #8 (Due, 4:00 pm, Nov. 18, 2016)
1.
What is the polarization?
2.
What is birefringence
3.
Two linear polarizers are positioned one behind the other. What are should linear
transmission axes made if an incident unpolarized light with an
EE 320 F2016 Homework #9 (Due Dec. 2, 2016)
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
What is the duality nature of the light?
A light beam has a wavelength of
, calculate the momentum and the energy of
600 nm
the photon.
In problem #2, if the light intensity i
1 $3; Swuik QMbitjm
Name:
1. (15 points) A laser beam impinges to an optical ber as shown in the gure. The
refractive index of the ber core is 1.5 and the fiber is coated with a cladding layer with a
refractive index .n.
(a) Determine the incident angle