Physical Sciences Paper 1 (English)

November 2022 — Grade 12 / Matric — Physical Sciences

Past Paper 2022 Grade 12 English Physical Sciences Hub →

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🎯 150 marks ❓ 10 questions ⏱️ 3h 📄 8 pages 📝 79 items found ∑ 2 math symbols 📚 4 topics

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2.1and

Q2— Section header —

Q1— Section header —

1.1hich ONE of the following combinations consist of only SCALAR quantities?

1.2The ac celeration due to gravity on Earth is Wh ich ONE of the following represents the acceleration due to gravity on a planet

1.3A ball is projected vertically upwards from the ground nd reaches its maximum height after a while. Ignore the effects of air friction.

1.5lock is placed on a horizontal table and is connected to block Y by a light

1.6Light emitted from a distant star contains a spectral line of frequency The pectral lines

1.7A proton and an electron are a distance apart. The magnitude of the electrostatic force that they exert on each other is Which ONE o f the following

1.8The emf of a battery is and its internal resistance is The battery is

1.9n AC generator consists of a coil which is rotated in a magnetic field. The emf time graph for one complete rotation of the coil is shown below. If the speed of rotation of the coil is now DOUBLED

1.10White light is passed through a cold gas and then th ough a prism as shown

Q2— Section header —

2.1State Newton s Second Law of Motion in words. (2\

2.2Draw a label ed free body diagram for rate

2.3.1 he t ension in the string (4

2.3.2(3\ [13] en-USF = 7,5 N 2 kg 1,25 kg13

Q3— Section header —

3.1Define the term free fall (2\

3.2Calculate the:

3.2.1Time taken for the ball to reach its maximum height (3\

3.2.2Velocity with which the ball strikes the ground (4

3.2.3Time it took the ball to move from th e top of the door to the ground (4\

3.3Draw a velocity versus time graph for the motion of the ball fr om the moment that the ball is thrown upward

Q4— Section header —

4.1State the principle of conservation of linear momentum (2\

4.2Calculate the magnitude of the

4.2.1elocity of trolley immediately after the collision

4.2.2verage net f orce that trolley X exerts on trolley Y during the collision (3\

4.3Is the collision ELASTIC or INELASTIC? Explain the answer by means of suitable calculation (5\ [1

Q5— Section header —

5.1Define the term non conservative force. (2\

5.2Draw a label ed free body diagram for the block when it is pulled up the inclined plane

5.3Calculate the total work done on the block by the NON CONSERVATIVE forces when the block moved

5.4Calculate the distance from point to point (5

Q6— Section header —

6.1Na me the phenomenon illustrated by the graph. (1\

6.2Name ONE application in the medical field of the phenomenon in

Q6— Section header —

6.3Write down the type of proportionality that exists between and

6.4

6.5Copy the graph above in your ANSWER BOOK and label it as . On the same set of axes

Q7— Section header —

7.1State Coulomb s law in words. (2\

7.2State whether the charge on sphere is POSITIVE or NEGATIVE (1

7.3Draw a labelled free body diagram for sphere (2

7.4Calculate the magnitude of the charge on sphere

7.5How do es the electrostatic force that sphere exerts on sphere

7.5.1Magnitude (1\

7.5.2Direction (1\ Point is 0,1 m vertically below the centre of sphere

7.6Calculate the net electric field at point (5\ 17

Q8— Section header —

8.1State Ohm s law in words. (2\ Switch is CLOSED.

8.2The reading on t he ammeter is 3,5 A.

8.2.1Calculate the total external resistance of the circuit (4\

8.2.2Calculate the reading on voltmeter (3\

8.2.3How does the reading on voltmeter compare to the reading on voltmeter

8.3A learner conclude s that the emf of the battery is equal to the reading on voltmeter

8.3.1 Define the term emf (2\

8.3.2 Is the learner s conclusion CORRECT ? Choose from YES or NO (1\

8.3.3 Give a reason for the answer to QUESTION

8.3.2 (1 en-USr 3,5 A

8.4How wi ll EACH of the following change Choose from INCREASES, DECREASES or REMAINS THE SAME.

8.4.1(1\

8.4.2The reading on voltmeter V (1\

8.5Ex

Q8— Section header —

Q9— Section header —

9.1The diagram below shows the initial position of the coil in a simple DC generator. The coil is rotated in an an ti clockwise direction as shown.

9.1.1Name the component in this generator that ensures that the induced current in the external circuit is in one direction only. (1\

9.1.2Is the direction of the induced current from to or from to

9.1.3Write down the time taken for the coil to complete ONE rotation.

9.1.4The coil starts rotating from the initial position as shown in the diagram above Sketch a graph of output voltage versus time for one complete

9.2Wall sockets supply rms voltage and current. A 220 V AC voltage is supplied from a wall s ocket to an electric kettle having a r esistance of 32 Calculate the average energy dissipated

Q1— Section header —

10.1What conclusive evidence about the nature of light is provided by the photoelectric effect? (1\ The cathode has a work function of 3,42 x 10 19 J.

10.2Define the term work function Light of frequency 5,96 x 10 14 Hz is shone onto the cathode.

10.3Calculate the maximum kinetic energy of an electron ejected from the cathode (4\ 10. The ammeter re

10.5The intensity of the incident light is now INCREASED. How will this change affect the reading on the ammeter? Choose from INCREASES, DECREASES or REMAINS THE SAME. Explain the answer. (3\ [14] TOTAL: 15014

Mathematical Content

f(x)trig

Topics Identified

MechanicsElectricityWavesElectrochemistry

Mark Allocation

Total150 marks

Sections20 + 13 + 15 + 10 + 20 + 14 = 92 marks

Paper information

SubjectPhysical Sciences

Year2022

SessionNovember

TypePast Paper

PaperPaper 1

LanguageEnglish

Pages21

Downloads5

Examination context

Decade2020s

Years ago4y

SeasonSpring (SH)

Start daySaturday

Exam periodNovember 2022

Days since exam1,449

About Physical Sciences examination preparation

Grade 12 Physical Sciences combines Physics and Chemistry. Paper 1 covers mechanics, electricity, waves, and optics, while Paper 2 focuses on chemical bonding, organic chemistry, and electrochemistry.

Every available Grade 12 Physical Sciences past paper and memorandum is collected in the Physical Sciences hub at physical-science.freemode.co.za — browse all years, sessions and languages in one place.

How to use this resource for revision

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For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

applying scientific principles

selecting appropriate equations

interpreting scientific information

performing calculations with correct units

explaining scientific reasoning

A practical revision approach

Create a one-page formula sheet and practice deriving units from first principles. The memorandum rewards correct formula identification, proper substitution, and accurate unit handling.

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