Physical Sciences Paper 1 (English)

November 2013 — Grade 12 / Matric — Physical Sciences

Past Paper 2013 Grade 12 English Physical Sciences Hub →

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❓ 12 questions ⏱️ 3h 📄 18 pages 📝 58 items found ∑ 2 math symbols 📚 3 topics

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Q1— Section header —

1.5in the ANSWER BOO

1.5The rate of change of velocity The distance between two consecutive points in phase on wave region of space in which an electric charge experiences a n electrostatic force The type of electromagnetic wave

Q2— Section header —

2.10in the ANSWER BOOK

2.1Which ONE of the following physical quantit ies is equal to th e product of force constant velocity ork ower

2.20 kg iron sphere and 10 kg aluminium sphere with the same diameter fall free

2.3The free body diagram below shows the relative magnitudes and directions of all the forces acting on an object moving horizontally

2.5When two waves meet at a point, the amplitude of the resultant wave is the algebraic sum of the amplitudes of the individual waves This principle is known as dispersion.

2.6parallel plate capacitor , with a vacuum between its plates is connected in a circuit as shown below. When fully charged, the charge stored on its plates equal to Capacitor is now replaced with a similar capacitor,

2.7Which ONE of the following graphs best represents the relationship between the electrical power and the current in a given ohmic conductor? (2\ In a vacuum all e lectromagnetic waves have the same nergy

2.9In t he sketch below conductor carrying conventional current is placed in a magne tic field

2.10An atom in its ground state absorbs energy is excited to a higher energy state When the atom

3.1From the graph, write down the magnitude of the velocity at which the ball bounces off the floor. (1\

3.2Is the collision of the ball with the floor ELASTIC or INELASTIC? Refer to the data on the graph to explain the answer. (3\

3.3Calculate the

3.3.1Height from which the ball is thrown (4\

3.3.2Magnitude of the i mpulse imparted the floor on the ball (3\

3.3.3Magnitude of the displacement of the b all from the moment it is thrown until time (4\ velocity time (s\

4.1In which direction does the move? Write down only EAST or WEST. (1\

Q4— Section header —

4.4.1The boy throws the same package at a higher velocity in the same direction (1\

4.4.2The boy throws pack age of double the mass at the same velocity

Q4— Section header —

5.3APART FROM FRICTION, w rite down the names of TWO other forces that act on the crate while it moves down section

5.4In which direction does the net force act on the crate as it moves down section Write down only from to or from

6.2Calculate the velocity of sound. How w ould the wavelength of the sound wave produced by the siren of the ambulance change if the frequency of the wave

6.4Give a reason for the an swer

Q6— Section header —

7.1Define the term diffraction (2\

7.2Which ONE of the two patterns ( or \ was obtained using the monochromatic light of a longer wavelength? (1\

7.3For this investigation, write down the:

3.1Dependent variable (1\

3.2nvestigative question (2\ In ONE of their experiments they use light of

7.4Calcu late the angle at which the SECOND MINIMUM will be observed the screen

7.5The single slit is now replaced with a double slit. Describe the pattern that will observed on the screen (2\ 3] Pattern Pattern 12

8.1Draw the electric field pattern produced by point charge

8.2Is th electric field

Q8— Section header —

8.3Calculate the magnitude and direction of the electric field at point due to point charge Another point charge now placed at a distance of 35 cm

8.4Is point charge POSITIVE or NEGATIVE? (1\ Calculate the magnitude of point charge 4] B A X 35 cm

9.1Explain in words the meaning of an emf of 12 V (2\

9.2Calculate the current that passes through the electrical device

9.3Calculate the resistance of resistor

9.4Switch is now opened Will t he device still function at maximum power Write down YES

Q1— Section header —

10.1Write down the name of component

10.1.1(1\

10.1.2(1\

10.2ite down the function of component (1\

10.3State the energy conversion which takes place in an generator. A similar coil is r otated in a magnetic field . The graph below shows how the alternating

10.4How many rotations are made by the coil in 0,0 seconds? (1\

10.5Calculate the frequency of the alternatin g current. (3\ Will plane of the coil PERPENDICULAR TO or

1.1Name the phenome non illustrated above (1\

11.1.2The work function of the metal used as emitter is 8,0 x 10 J. The incident light has a wavelength of 200 nm. Calculate the maximum speed at which an electron can be emitted

11.1.2Write down only INCREASES, DECREASES or REMAINS THE SAME. (1\ The intensity of the incident light is now increased How w this change affect the speed of the electron

11.1.2? Write down INCREASES, DECREASES or REMAINS THE SAME. Give a reason for the answer. A metal worker places t wo iron rods in a furnace . After a while observe that

11.3Neon signs illuminate many buildings. at type of spectr is produced by neon signs? 2] TOTAL SECTION B:

Mathematical Content

f(x)trig

Topics Identified

MechanicsElectricityWaves

Mark Allocation

Sections5 + 20 + 15 + 9 + 16 = 65 marks

Paper information

SubjectPhysical Sciences

Year2013

SessionNovember

TypePast Paper

PaperPaper 1

LanguageEnglish

Pages18

Downloads7

Examination context

Decade2010s

Years ago13y

SeasonSpring (SH)

Start dayTuesday

Exam periodNovember 2013

Days since exam4,739

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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