5th century BC: Greek philosopher
Democritus suggests the Universe consists of
empty space and of invisible and indivisible
particles called atoms.
1802: John Dalton, a Quakereducated English
physicist and chemist, lays groundwork of modern
theory of the
SNEHA DANDA
RADIATION
What is Radiation?

Radiation is energy travelling through space.
There are two types of radiation: ionising and nonionizing (light, radio waves and microwaves are
examples of nonionizing radiation).
Ionizing radiation can cause har
Sou Tto a s
cANDTDATE'sNAME
ID NUMBER
Print (Family Name FIRST)
CANDIDATE'S SIGNATURE
Lecture Section: tr101
(lqbal) tr102 (Heiner) tr103 [Bates) tr104
(MacKay)
THE UNIVERSITY OF BRITISH COLUMBIA
Physics 101
Midterm
Z

November
L7
,201,7
Time: 1.0 hours
Phys1443003, Fall 04, Term3 Practice Problems
Warning: The answer keys at the end of this practice problem package have not been checked.
So take it with a grain of salt These problems, in no ways, fully represent the exam problems.
1.
A rigid body is a
1I V E
0
1 T
C
JE
S
C OB
I
YS I N G
N
H
R
P EA
L
QUESTION!
What is the height of a mass attached to a spring above the
ground at 3 meters if the mass was pulled 1.5 meters from
rest and then released given 0.2 seconds. It takes the mass
0.5 seconds for it
Problem
1
A student decides to investigate a Young's apparatus. Green light [],= 546nm is used
and the spacing between the 2nd and 3rd order bright fringes on a screen 50 cm away
is 0.22 mm.
aJ Determne d
b) What is the maximum order (value of mJ the stud
9;
?>
v=
!o
.5
9 l
o
_9
b;:
E
i
"
u5
2
atqY
:
.j
riE2
I"7
t
t'
:E
o5I
.2
E
"9o
=
^
ts
.t
:
i ;i
!
91r ;
J
a
a Q!
,<i5
1
vc
trLJ
.zgE
54
.i
=

+og
O
<
;v^v
F >
T!
!
!L
'P=
? ;
I
PD
qi:
a
5
N
!
Y
<
t
,
O l'
1
^d
=
t
j,
*
:
;
P: 9
E
i
E
)
o
:'
I
f
I
r
HI
x
:l
3
'E!
i
T,
bl
.
i
EL
,i
E j
1
.
f\z
tslc
'I
tf
3ll
l^
'l;Y':^
'l
l'a
!lol
t )

1
3; 
9; :i
\,
l.t
:
l;1
vlcl
l'a
!;l
=i
sil
!t
d
."g
J,"i
:_
Y3
EI _y 15 
93
.1
I
^
1
1.*13:Y="';il'^,
ll 3)a
.l:*
l;l
3I e
tl
?.P
P, T
!
c
A mass of 0.5 kg is attached to a spring with spring constant 20 N/m. The mass is
displaced a distance 2.0 m from the origin and released from rest at time t=0. If the
damping constant is 0.1 kg/s then,
a) Determine the equation of motion
b) Determine the
We used a software call OnePluse something, I cant really remember.
At a certain temperature, we set time from 0 to 4000ms, then we get the signals after run it. We find the Peak
of the NMR signal after Fourier transform.
Fit them with Mo*(e^t/T1), we try
MT\ 'OqLQ
Question 1 please circle the correct answer  2 marks each question
MCI
m = IED kg
30 cm
A rectangular ra of thickness 30 cm and mass 120 kg oats in water. The submerged depth is 16 cm.
What is the submerged depth when a Phys 101 student
Why Dont People Say What They Think?
If all humans always said what they thought the world would turn into a much darker place.
We are taught from a young age that thinking before speaking is the right way to go. Why is it
that we dont just say what we tr
The Inheritor
By: Rajyn Dhanda
The equality between man and animals life has been a rising issue in the past
few years. The Inheritor by Frank Roberts brings up this issue of a man struggling to
save the life of a sheep, who he subconsciously felt had a l
How does the author create suspense?
Although generally human beings fear the unknown, the genre of suspense had always been
intriguing dating back to 1896 where a two minute film had kicked off what became to be one of the
most popular genres to this day
Phys 118 Tentative Schedule JanApril 2016
Text: Knight: Physics for Scientists and Engineers, 2nd custom edition for UBC
(updated Mar 28)
W
Sections/Topics
Major Learning Goals
e
(see reading assignments for more
details)
The student should be able to:
e
Today: Potential Energy and Electric Potential
Calculate the potential energy changes for a system of
charged particles
Distinguish between potential and potential energy
Calculate the electric potential due to a point charge
Describe the relation bet
Today: Capacitance and Current
Describe how electrons flow in a wire.
Use conservation of charge and current to explain
what happens to the current in series and parallel
connections.
Relate conductivity and resistivity to Ohms law.
Use the rules for
Today: Charge and Electrostatic Force
Calculate the electric field due to a uniformly charged
insulating sphere.
Explain why the electric field is zero inside a conductor
in equilibrium.
Explain why the electric field lines are perpendicular at
the sur
LC, WS
Electric Field of a Dipole Direction
Q2.36 Look at two more points
(blue and orange dots): one on
the xaxis to the left of the
dipole and one point on the yaxis below the dipole.
a) What is the direction of the
electric field at these two
points?
Today: Potential Energy and Electric Potential
Calculate the electric field from a potential difference
Determine the magnitude and direction of the electric
field from a twodimensional potential contour map.
Explain the Kirchhoffs loop rule
List all
Today: Capacitance and Current
Define capacitance and calculate the capacitance of a
parallelplate capacitor.
Calculate the energy stored in a capacitor.
Analyze capacitors connected in parallel and in series.
Explain why a potential difference and a
WS
Q2.12 A small aluminum sphere is hanging from insulating
thread between large positive charge (Van der Graaff
Generator) and grounded metal plate.
Observation: Sphere bounces between Van der Graaff
Generator and grounded metal plate.
Explain how this w
Today: Potential Energy and Electric Potential
Calculate the potential energy changes for a system of
charged particles
Distinguish between potential and potential energy
Calculate the electric potential due to a point charge
Describe the relation bet
Today: Magnetic Force
Calculate the magnitude and direction of the
magnetic force on a charged particle moving in a
magnetic field.
Explain how a magnetic field can be used to
distinguish between charged particles with different
mass.
Magnets can pick
Today:
Magnetic Dipoles and Current Loops
Sketch the magnetic field generated by moving
charges, currentcarrying wires and current loops.
Define the magnetic moment for current loops.
Determine the direction of the torque on a current
loop in an exter
Today: Potential Energy and Electric Potential
Calculate the potential energy changes for a system of
charged particles
Distinguish between potential and potential energy
Calculate the electric potential due to a point charge
Describe the relation bet
WS
Q2.52 An electron is projected with an initial speed v0 = 1.60
106 m/s into the uniform electric field between the plates.
Assume that the field between the plates is uniform and
directed downward, and that the field outside the plates is
zero. The el
LC, WS
Q3.9 Rank in order, from largest to smallest, the
potential energies Ua to Ud of these four pairs of
charges. Each + symbol represents the same amount
of charge.
Largest
Ua
Ub
Uc
Ud
Smallest
LC, WS
Q3.11 What is the electric potential energy of the