Physical Sciences Memo 1 (English & Afrikaans)

November 2017 — Grade 12 / Matric — Physical Sciences

Memo 2017 Grade 12 Afrikaans Physical Sciences Hub →

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🎯 150 marks 📄 20 pages 📝 56 items found ∑ 2 math symbols 📚 4 topics

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Q1— Section header —

1.1(2\

1.2(2\

1.3(2\

1.4(2\

1.5(2\

1.6(2\

1.7(2\

1.8(2\

1.9(2\

1.10(2\ [20] 20120

Q2— Section header —

2.1.1An object continues in its state of rest or uniform motion (moving with constant velocity unless it is acted upon by an unbalanced

2.1.3Accepted Labels Aanvaarde benoemings /weight/mg /78,4 N/gravitational force gewig 78,4 N/gravitasiekrag pplied force (Accept T / tension\ toegepas / toegepaste krag

2.1.4

2.2Each body in the universe attracts every other body with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between the centres

2.2.2M = 4,41 x 10 kg GmM M = 4,41 x 10 kg (4\ [21]21

Q3— Section header —

3.1OPTION 1 OPSIE 1 Upwards positive Opwaarts positief: 0 = (12\ + ( Downwards positive Afwaarts positief 0 = ( OPTION 2

3.2OPTION 1/ OPSIE 1 Upwards positive Opwaarts positief: 9,8\(1,22\ 5,98 (5,978 6,0 Downwards positive

3.3OPTION 1 OPSIE 1 Upwards positive Opwaarts positief: 5,98 ,44 9,8\( 43,764 43,76

Q4— Section header —

4.1

4.3OPTION 1/ OPSIE 1 t = p = mv net (700\ xcos180 400 x = 0,71 m

Q5— Section header —

5.3(6\9,8\1,6\ cos0 W = 94,08 J mg(h (6\9,8\0 1,6\ = 94,08 J (3\

5.1The net/total work done on an object is equal to the change in the object's

Q6— Section header —

6.1It is the (apparent\ change in frequency (or pitch\ of the sound (detected by a listener\ because the sound source and the listener have different velocities relative to the medium of sound propa gation

6.2.1170 Hz (1\

6.2.2130 Hz (1\

6.3POSITIVE MARKING FROM QUESTIONS 6.2.1 and 6.2.2

Q6— Section header —

Q7— Section header —

7.1The magnitude of the electrostatic force exerted by one point charge on another point charge is directly proportional to the product of the (magnitudes of the\ charges and inversely proportional to the square of the distance (r\

7.2OPTION 1/ OPSIE 1 F = = 10,8 N OPTION 2 OPSIE = 1,8 x 10 = Eq = (1,8 x 10

7.315 201

7.4OPTION 1 / OPSIE 1 = 10,696 N 10,696 = 1,34 x 10 OPTION 2 / OPSIE 2 sin 44,72 = OR/

Q8— Section header —

8.3OPTION 1/ OPSIE 1 = (3,0 x 10 \( 2,84 x 10 = 8,52 x 10 = 10,8 N = 15,20 N

Q9— Section header —

9.1he po al d ence (voltage\ oss a condu or onal conduc

9.1.4OPTION 1/ OPSIE 1 In series R .............(1\ In parallel ..........(2\ OPTION OPSIE 2 For

9.2= 0, (3\

9.2.2OPTION 1 OPSIE 1 = I(R + r\ 6 +1,5\+ 0,9 6,997 ,00 (6, 972 7,00 V\

2.3The resistance R The voltage divides proportionately n a series circuit. Since the voltage across is half the total voltage, it means the resistances of are equal

10.1.1Mechanical to electrical Meganies na elektries OR/ Criteria for graph Kriteria vir grafiek Marks/ Punte Correct shape

10.2OPTION 1/ OPSIE 1 rms = 1,22 (1,2195\ A ave rms =(1,22\ (0,5\ = 0,74 W

Q11— Section header —

11.1.1Line emission spectrum Lyn\ e missiespektrum (1\

1.2Line absorption spectrum (Lyn\ absorpsiespektrum (1\

11.2.1Emission Emissie (1\

11.2.2Energy released in the transition from to E Energie vr gestel in die oorgang vanaf E = (2,044 x 10 1,635 x 10 = 4,09 x 10 E = hf 4,09 x 10

11.2.3E = W max hf = hf max hf = hf E = W 4,09 x 10 (6,63 x 10 \(4,4 x 10

11.2Nee The threshold frequency is greater than th e frequency of the photon Die drumpelfrekwensie is groter as die frekwensie van die foton The frequency of the photon is less than the threshold frequency

Mathematical Content

f(x)trig

Topics Identified

MechanicsElectricityWavesThermodynamics

Mark Allocation

Total150 marks

Sections20 + 21 + 12 + 10 + 18 + 13 = 94 marks

Paper information

SubjectPhysical Sciences

Year2017

SessionNovember

TypeMemo

PaperPaper 1

LanguageAfrikaans

Pages20

Downloads6

Examination context

Decade2010s

Years ago9y

SeasonSpring (SH)

Start daySunday

Exam periodNovember 2017

Days since exam3,275

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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Corresponding examination paper

Examination paper available

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Physical Sciences Paper 1 (Afrikaans) →

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