Grade 12 diploma examination. Physics 30

44 Pages·1997·4.2 MB·English

by  Alberta. Alberta Education

June 1997
Physics 30
Grade 12 Diploma Examination
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EDUCATION
Ex Libris
Universitatis
Albertensis
Copyright 1997 the Crown in Right of Alberta, as represented by the Minister of Education, Alberta
hducation. Student Evaluation Branch, 11160 Jasper Avenue, Edmonton, Alberta T5K 0L2 All rights
reserved. Additional copies may be purchased from the Learning Resources Distributing Centre.
Special permission is g ranted to Alberta educators only to reproduce, for educational purposes and on a
naodnm-ipnriosrtitr a tbiaosins , o pfa r tthsi s o fe x tahimsi neaxtaimionna t. ion that do not contain excerpted material only after the
oErxicgeirnpatl e dp u bmlaitsehreira l ( sme e t hcirse d ietxsa m piangaet,i o wnh e rshea l la p pnloitc a bbel e )r.e produced without the written permission of the
June 1997
Physics 30
Grade 12 Diploma Examination
Instructions
Description
Time: 2.5 h. You may take an • Fill in the information required on
the answer sheet and the
additional 0.5 h t o complete the
examination. examination booklet as directed by
the presiding examiner.
Total possible marks: 70
•You are expected to provide your
own scientific calculator.
This is a closed-book examination
consisting of
• Use only an HB pencil for the
machine-scored answer sheet.
• 37 multiple-choice and 12 numerical-
response questions, of equal value,
worth 70% of the examination • If y ou wish to change an answer,
erase all traces of your first answer.
• 2 w ritten-response questions, worth a
total 30% of the examination • Consider all numbers used in the
examination to be the result of a
This examination contains sets of measurement or observation.
related questions. A s et of questions
• Do not fold the answer sheet.
may contain multiple-choice
and/or numerical-response and/or
written-response questions. • The presiding examiner will collect
your answer sheet and examination
A t ear-out data sheet is included near the booklet and send them to Alberta
back of this booklet. A P eriodic Table Education.
of the Elements is also provided.
• Read each question carefully.
The blank perforated pages at the back
of this booklet may be tom out and used • Now turn this page and read the
for your rough work. No marks will be detailed instructions for answering
given for work done on the tear-out machine-scored and written-
pages. response questions.
Multiple Choice Examples
• Decide which of the choices best Calculation Question and Solution
completes the statement or answers
the question. If a 1 21 N f orce is applied to a 7 7.7 kg
mass at rest on a f rictionless surface,
the acceleration of the mass will be
• Locate that question number on the
separate answer sheet provided and
fill in the circle that corresponds to (Round and record your answer to three
digits.)
your choice. m/s^.
F
Example m 121 N ,
This examination is for the subject of
A. biology aR e =c oYr fdi 1j.j5-6g = o n 1 .t5h5e7 2716
1 . 5 6
B. physics answae r = — sheet ► • o
C. chemistry
D. science ©• 0o 0o®o
Answer Sheet 0 0 0 0
0 0 0 0
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Numerical Response
Calculation Question and Solution
• Record your answer on the answer
sheet provided by writing it in the
A m icrowave of wavelength 16 cm
boxes and then filling in the
corresponding circles. hTahse avf af -lruxeeq u oefn c yf t iosf ft x lO'^ Hz..
(Round and record your answer to two
• If an answer is a value between 0 a nd 1 digits.)
(e.g., 0.25), then be sure to record the 0
before the decimal place.
Enter the first digit of your answer
3.00 0 .X1 6 1 0m° m/s
in the left-hand box and leave any
unused boxes blank. Record 1.9 on the 1.875 X 10^
I . 9
answer sheet
• o
© © © ©
• © ©©
© © © ©
© © © ©
0 0 0 0
f= ©© ©© ©© ©©
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Written Response
Correct-Order Question and Solution • Write your answers in the examination
booklet as neatly as possible.
Place the following types of EMR in order
of increasing energy:
• For full marks, your answers must be
1 blue light well organized and address all the main
2 gamma radiation points of the question.
3 radio waves
4 ultraviolet radiation
• Relevant scientific, technological, and/or
societal concepts and examples must be
(Record your answer as | ^ | ^ | ^ | ^.) identified and explicit.
Answer: 3142
• Descriptions and/or explanations of
Record 3142 on the concepts must be correct and reflect
3 1 4 2 pertinent ideas, calculations, and
answer sheet
oo formulas.
©@00
©•oo
© © © • • Your answers should be presented in a
• © © © well-organized manner using complete
© © • ©
sentences, correct units, and significant
@00©
digits where appropriate.
0 © © ©
©oo©
© © 0 0
© © © ©
Scientific Notation Question and
Solution
A h ydrogen-like atom whose 3-2 transition
emits light at 164 nm would have an
value of -a.b x 10”^^^ J. The values of
a, b, c, and d a re .
(Record your answer as [¥j [ cj [ ^ .)
Answer: Ej = - 8 .7 x 10“^^ J
Record 8718 on the
8 7 1 8
answer sheet
©©
0 © © ©
©©•©
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0 © © ©
0 0 0 0
©00©
© © © ©
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• © ©•
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111
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UNIVERSITY imm
UNIVERSITY Of ALBERTA
1. The physical quantity that can have the same unit as impulse is
A. force
B . work
C. power
D. momentum
Use the following information to answer the next two questions.
A 5 .00 kg object is dropped from a h eight above the ground. When the
object is 4.00 m f rom the ground, it has a speed of 9.00 m/s. The potential
energy of the object is chosen to be zero at ground level and the effects of air
resistance are ignored.
2. What is the total mechanical energy of the falling object?
A. 6.30 J
B. 196 J
C. 202 J
D. 399 J
Numerical Response
Use your recorded answer for Multiple Choice 2 t o solve Numerical Response 1.
The object was dropped from an initial height of m above the
ground.
(Round and record your answer to three digits.)
1
a space walk and picks up a f ull can of spray with a m ass of 20 kg. Relative to the
spaee shuttle, she is at rest. She then holds the ean directly in front of her centre of
mass to avoid rotation and releases 3.0 kg of spray at a speed of 15 m/s. Her speed,
relative to the space shuttle, when she has stopped spraying is approximately
3. AA . s pac0e. 3 5s h umt/tlse astronaut has a m ass of 1 10 kg with her space suit on. She is on
B. 0.41 m/s
C. 2.3 m/s
D. 2.5 m/s
Use the following information to answer the next question.
A p opular game of young ehildren is to shuffle aeross a e arpet with stocking
feet and then touch a f riend. The spark that can be generated is caused by a
charge buildup from the friction of the socks on the carpet.
same negative charge. They then stood shoulder to shoulder without touching.
A t hird friend, Cale, who was not charged, touched Jeff on the shoulder farthest
from Sam. What is the nature of the final charges on the three boys?
A. Sam, Jeff, and Cale are all negatively charged.
B. Jeff and Cale are uncharged, and Sam is negatively charged.
C. Sam and Cale are negatively charged, and Jeff is p ositively charged.
D. Sam is negatively charged, and Jeff and Cale are positively charged.
and balls Y a nd Z a re neutral. Ball X i s brought momentarily into contact with
ball Y, then separated. Ball Y i s then brought momentarily into contact with ball Z,
then separated. When placed 1.0 m apart, balls X a nd Z w ill now exert a f orce on
each other of magnitude
A.
B. 1.0 X 10^^
C. 1.1 X 10“®
D. 2.2 X 10“®
4.Two friends, 9 S.0a m X a 1n0-d' ’ Jeff, shuffled on a c arpet and obtained approximately the
2
5
Th.ree pithballs hang in an isol ated container. Ball X h as a c harge of l.Ox 10“®C,
Numerical Response
m Two charged bodies exert electrostatic forces on each other of magnitude
1.1 1 X 10“^ N. If the magnitude of each charge is doubled and the distance
separating them is doubled, then the magnitude of the electrostatic force,
expressed in scientific notation, is b x 10~^ N. The value of b is
(Round and record your answer to three digits.)
Numerical Response
E9 In moving an electric charge of 4.00 C f rom point X t o point Y, 15.0 J
of work is done. The potential difference between X a nd Y, in volts,
is V.
(Round and record your answer to three digits.)
Use the following information to answer the next question.
Light Bulbs
Ba1t2t e Vr y
Circuit X Circuit Y
The bulbs have identical resistances, and the batteries are identical.
6. Which of the following statements best describes the diagram above?
A. Circuit Y d issipates more power than does circuit X.
B . The current in circuit Y i s larger than the current in circuit X.
C. The current in circuit Y i s the same as the current in circuit X.
D. The current in circuit Y i s smaller than the current in circuit X.
3
Use the following information to answer the next question.
Electric Field
The parallel arrows represent the direction of an electric field.
7. An electron is p laced at point P. It will accelerate toward region
A. I
B. II
C. Ill
D. IV
8. The volt is the SI unit of potential difference. An equivalent SI unit may be
written as
A. J/A
B. J/C
C. N/C
D. PJQ.
4