Physics P1

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  • Topic: Force, Mass, Following
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This question paper consists of 16 pages, a datasheet of 3 pages and a 1-page answer sheet. Copyright reserved Please turn over
PHYSICAL SCIENCES P1
(PHYSICS)
EXEMPLAR 2007
NATIONAL
SENIOR CERTIFICATE
GRADE 11
Physical Sciences/P1 DoE/Exemplar 2007
NSC
Copyright reserved Please turn over
2
INSTRUCTIONS AND INFORMATION
1.
2.
3.
4.
5.
6.
7.
8.
9.
Write your name and/or examination number (and centre number if applicable) in the appropriate spaces on the ANSWER BOOK and on the ANSWER SHEET provided. Answer ALL the questions.
Answer SECTION A on the attached ANSWER SHEET.
Answer SECTION B in the ANSWER BOOK.
Non-programmable calculators may be used.
Appropriate mathematical instruments may be used.
Number the answers correctly according to the numbering system used in this question paper. A data sheet is attached for your use.
Wherever motivation, discussion, et cetera is required, be brief. Physical Sciences/P1 DoE/Exemplar 2007
NSC
Copyright reserved Please turn over
3
SECTION A
Answer this section on the attached ANSWER SHEET.
QUESTION 1: ONE-WORD ITEMS
Give ONE word/term for each of the following descriptions. Write only the word/term next to the question number (1.1 - 1.5) on the answer sheet: 1.1
1.2
1.3
1.4
1.5
The rate of change of momentum
The class of lever in which the load lies between the fulcrum and the effort An insulating material filling the space between two conducting plates in a capacitor The lowest note produced by a musical instrument

Substances which conduct electricity better than insulators, but not as well as conductors (1)
(1)
(1)
(1)
(1)
[5]
QUESTION 2: MATCHING ITEMS
Choose an item from COLUMN B that matches the description in COLUMN A. Write only the letter (A - I) next to the question number (2.1 - 2.5) on the answer sheet. COLUMN A
COLUMN B
2.1
2.2
2.3
2.4
2.5
The product of the mass and the velocity of an object
Region in a sound wave where the particles are closest together The energy gained by an electron as it moves through a potential difference of one volt A cell phone charger
The unit of capacitance
A
B
C
D
E
F
G
H
I
compression
step-down transformer
electron volt
momentum
rarefaction
electrical potential energy
step-up transformer
net force
farad
[5]
Physical Sciences/P1 DoE/Exemplar 2007
NSC
Copyright reserved Please turn over
4
QUESTION 3: TRUE OR FALSE
Indicate whether the following statements are TRUE or FALSE. Write only 'true' or 'false' next to the question number (3.1 - 3.5) on the answer sheet. If the statement is FALSE, write down the correct statement. 3.1

3.2
3.3
3.4
3.5
A construction worker exerts a force on a wheelbarrow. The wheelbarrow exerts an equal but opposite force on the worker. The wheelbarrow does not move because these two forces cancel each other. A high-pitched note has a high frequency.

The iris of the eye functions like the aperture of a camera. The capacitance of a parallel plate capacitor of a given area and dielectric, increases with increasing distance between the plates. Electrical energy is transported from power stations at high voltage and high current. (2)

(2)
(2)
(2)
(2)
[10]
Physical Sciences/P1 DoE/Exemplar 2007
NSC
Copyright reserved Please turn over
5
QUESTION 4: MULTIPLE-CHOICE QUESTIONS
Four possible options are provided as answers to the following questions. Each question has only ONE correct answer. Choose the correct answer and mark the appropriate block (A - D) next to the question number (4.1 - 4.5) on the answer sheet with a cross (X). 4.1

In an investigation of the relationship between acceleration (a) and force (F) for two objects (P and Q) moving on a frictionless surface, the following graph was obtained: a
P Q
Which ONE of the following statements is TRUE?
A
B
C
D
Object Q has a smaller mass than object P.
Object Q has a bigger mass than object P.
The gradient of the graph is not affected by the...
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