Phys 252 Assignment #5
Due: April 20
Problem 1.
a. Envision an opaque screen containing a circular hole of radius R. A point source S lies on the
central axis a distance 0 in front of and an observation point P lies a distance r0 beyond , also
on the cent
CONCORDIA UNIVERSITY
Midterm Exam 16 February 2017
OPTICS
PHYS 252
LAST NAME:
FIRST NAME:
STUDENT #:
All questions are of equal value.
Writing Time: 75 minutes
Permitted Materials: Non-programmable Calculators; Handwritten Formula Sheet
Answer all questi
Phys 252 Assignment #1
Due: January 31
Problem 1. A youngster in a boat on a lake watches waves that seem to be an endless succession of
identical crests passing with a half-second intervals between each. If every disturbance takes 1.5 s to sweep
straight
Phys 252 Assignment #3
Due: March 16
Problem 1. Suppose you have a concave spherical mirror with a focal length of 10 cm. At what distance
must an object be placed if its image is to be erect and one and a half times as large? Draw a scale diagram
showing
Phys 252 Assignment #2
Due: February 14
Problem 1. Use Fermats Principle to derive Snells Law: ni sin i = nt sin t . Use the same variable
definitions as are in the diagram.
Figure 1: Problem 1.
Problem 2. A laser beam with the wavelength of 514 nm in ai
Phys 252 Assignment #4
Due: April 4
Problem 1. Imagine that you have two identical perfect linear polarizers and a source of natural light.
Place them one behind the other and position their transmission axes at 0 and 50 , respectively. Now
insert between
Chapter 5
The Laws of Motion
Force
Forces are what cause any change
in the velocity of an object
A force is that which causes an
acceleration
The net force is the vector sum of
all the forces acting on an object
Also called total force, resultant force,
o
Chapter 3
Motion in Two Dimensions
Position and Displacement
The position of an
object is described
by its position
vector,
The displacement
of the object is
defined as the
change in its
position
Average Velocity
The average velocity is
the ratio of the
d
Chapter 7
Energy
and
Energy Transfer
Introduction to Energy
The concept of energy is one of the
most important topics in science
Every physical process that occurs
in the Universe involves energy
and energy transfers or
transformations
Energy is not easil
Chapter 6
Circular Motion
and
Other Applications of
Newtons Laws
Uniform Circular Motion
A force, Fr , is directed
toward the center of
the circle
This force is
associated with an
acceleration, ac
Applying Newtons
Second Law along the
radial direction
v 2
Chapter 2
Motion in One Dimension
Kinematics
Describes motion while ignoring the
agents that caused the motion
For now, will consider motion in one
dimension
Along a straight line
Will use the particle model
A particle is a point-like object, has mass
but
Problem solving
In a game of American football, a quarterback takes the ball from the line of
scrimmage, runs backward for 10.0 yards, and then sideways parallel to the line
of scrimmage for 15.0 yards. At this point, he throws a forward pass 50.0 yards
s
Review
trough problem solving
A basketball star covers 2.80 m horizontally in a jump to dunk the ball. His motion through space can be modeled precisely as that of a
particle at his center of mass. His center of mass is at elevation 1.02 m when he leaves
A cylinder with moment of inertia I1 rotates about a vertical, frictionless axle with angular velocity
i. A second cylinder, this one having moment of inertia I2 and initially not rotating, drops
onto the first cylinder Because of friction between the su
Assignment #1 PHYS 205/1-53 Electricity & Magnetism Summer 2013
Solution to Assignment #1 (Chapter 23)
23.12 Three point charges lie along a straight line as shown in Figure P23.12,
q
1
q
2
q
3
where
q 1 = 6.0 C, q 2
= 1.5 C, and
q3
= 2.0 C. The separatio
PHYSICS 205/1-53 Electricity & Magnetism
Assignment #4
Solution to assignment # 4
Summer, 2013
Chapter 27/28
27.03 An aluminum wire having a cross-sectional area equal to 4 106 m 2 carries a current of 5.00 A. The (mass) density of
aluminum is 2.7 g/cm3.
Theory Questions - versions 8 and 9 of the textbook
Theory Questions
Serway version 9 (volume II)
The theory questions will be extracted from the list of sections below:
Chapter # sections
23 23.7
24 24.4
25 25.3
26 26.2, 26.3, 26.4, 26.7
27 27.1, 27.2, 2
*P25.2 (a) We follow the path from (0, 0) to (20.0 cm, 0) to (20.0 cm,
50.0 cm).
(work done)
[work from origin to (20.0 cm, 0)]
[work from (20.0 cm, 0) to (20.0 cm,
50.0 cm)]
Note that the last term is equal to 0 because the force is
perpendicular to the