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无锡光华学校剑桥国际中心
2015
年
7
月第二学期期末考试试卷
Class:
Senior one
Name:______________
Cambridge
International
Centre
End-term Examination
for Senior
one
Subject:
Physics
Time:
90
minutes
Instructions:
Do
not open this question paper until you are told to
do so.
You are given time to read the
questions. During this time, no writing is
allowed.
Write all answers
on the question papers.
Answers must be
written in English.
At the end of the
test, submit the question paper with your answers
on it.
1
Which statement involving
multiples and sub-multilples of the base unit
meter(m),
is correct?
A
1pm=10
-9
m
B
1nm=10
-6
m
C
1mm=10
6
m
D
1km=10
6
mm
2
When a force F moves its point of
application though a displacement s in the
direction of
the
force, the work W done by the force is given by
W=Fs
How many vector
quantities and scalar quantities does this
equation contain?
A
one
scalar quantity and two vector quantities
B
one
vector quantity and two scalar quantities
C
Three scalar quantities
D
three vector quantities
3
The diagram shows a displacement
vector.
5.0km
53
0
What is the vertical component of this
displacement vector?
A
3.0km
B
4.0km
C
5.0km
D
6.6km
4
What is the
unit of power, expressed in SI base units?
A
kgm
2
s
-3
B
kgms
-3
C
kgms
-2
D
kgm
2
s
-1
5
In a cathode-
ray tube, an electron is accelerated uniformly in
a straight
line
from a speed of
4 ×
10
3
m
s
–
1
to 2
×
10
7
m
s
–
1
over a
distance of
10 mm.
What is the acceleration of the
electron?
A
2
×
10
3
m
s
–
2
B
2 ×
10
6
m
s
–
2
C
2 ×
10
13
m
s
–
2
D
2 ×
10
16
m
s
–
2
6
A cannon fires a cannonball
with an initial speed v at an angle
?
to the
horizontal.
v
H
?
Which equation is correct
for the maximum height H reached?
g
sin
?
g
2
sin
?
v
s
i
n
?
(
v
sin
?
)
2
A
H
?
B
H
=
C
H
?
D
H
=
2
v
2
v
2
g
2
g
7
The volume of air in a tyre
is 9.0
×
1
0
< br>-3
m
3
.Atmospher
ic pressure is 1.0
×
10
5
Pa.
When the tyre
bursts
and the air expends
to a volume of 2.7
×
10
-2
m
3
,the work
done against the atmosphere by the air
is
A
1.8J
B
180J
C
1.8KJ
D
180KJ
8
The change in gravitational
potential energy when a person of mass 70kg climbs
a
cliff of
height 19m is
A
1.3
×
10
5
J
B
1.3KJ
C
13KJ
D
130KJ
9
Some weights are hung form a light rod
AB. The rod is pivoted. The magnitude of
the force F required to balance the rod
horizontally is
35cm
25c
40cm
F
2.5N
1.2N
A
1.0N
B
2.0N
C
3.0N
D
4.0N
10
A box of max 5.0kg is
pulled along a horizontal floor by a force P of
25N,applied
at an angle of
20
0
to the horizontal. A
frictional force F of 20N acts parallel to the
floor. The acceleration of the box is
R
P=25
N
20
0
F
=
W
A
5ms
-2
B
4ms
-2
C
4.7ms
-2
D
0.7ms
-2
11
The diagram shows the stem of a Celsius
thermometer, marked to show initial
and
final temperature values.
What is the temperature change
expressed to an appropriate number of significant
figures?
A
14
0
C
B
20.5
0
C
C
21
0
C
D
22.0
0
C
12
An experiment is carried out to measure
the velocity of a ball. The displacement
moved is
(8.0
?
0.4)m. The time taken
is (1.0
?
0.2)s. What is the
average
velocity of
the ball san its uncertainty?
A
<
/p>
(8.0
?
0.2)ms
-1
B
<
/p>
(8.0
?
0.6)ms
-1
C
(8
?<
/p>
1)ms
-1
D
(8
?
2)
ms
-1
13
What is the
magnitude of the momentum of a
?
-particle of mass 6.6
?
10
-27
kg
travelling with a speed of 2.0
?
10
7
ms
-1
?
A
1.3kgms
-1
B
13kgms
-1
C
1.3
?
1
0
-20
kgms
-1
D
1.3
?
10
-20
kgms
-1
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