Technical Sciences Memo 1 (English and Afrikaans)

May-June 2022 — Grade 12 / Matric — Technical Sciences

Memo 2022 Grade 12 Afrikaans

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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] Technical Sciences/P1/ Tegniese Wetenskappe/V1 DBE/2022 SC/NSC/SS/NSS20

Q2— Section header —

2.1ACCEPTABLE LABELS AANVAARBARE BYSKRIFTE NOTES NOTAS N/F

2.2NEGATIVE MARKING WITHIN 2.2 NEGATIEWE NASIEN BINNE Inertia. The property of a body to resist any change in its state of motion or rest. Traagheid Die eienskap van 'n voorwerp om enige verandering, in sy toestand van

2.3.1When a net/resultant force is applied to an object of mass, m, it accelerates the object in the direction of the net force. The acceleration is directly proportional to the net/resultant force and inversely proportional to the mass

2.3.2net = ma + F + f = ma

2.3.3OPTION 1 OPSIE 1 OPTION 2 OPSIE 2 net

2.4.1An object will remain at rest or continue moving at a constant velocity (or at constant speed in a straight line\ unless acted upon by a non zero external resultant /net force.

2.4.2Refer to page 10 for the diagram Verwys na bladsy 10 vir die diagram CRITERIA

2.4.3= mg 8 500 = m x 9,8 m = 867,35 kg

3.3OPTION 1 OPSIE 1 OPTION 2 OPSIE 2 net

Q4— Section header —

4.1It is the energy an object posesses due to its position from the surface of the earth. it is die energie wat n voorwerp besit as gevolg van sy posisie vanaf die aardoppervakte

4.2= mgh = 6 x 10 x 9,8 x 948

4.3.1= E + E = mgh + 1/2mv

4.3.2POSITIVE MARKING FROM 4.3.1 POSITIEWE NASIEN VANAF 4.3.1 5,39 x 10

4.3.3POSITIVE MARKING FROM 4.3.1 POSITIEWE NASIEN VANAF 4.3.1 (Ek + Ep\ top Ek + Ep\

Q5— Section header —

5.1.1= 2,5 x 10 OPTION 1 OPSIE 1

5.1.2 = 1,78 x 10 (3\

5.1.3POSITIVE MARKING FROM 5.1.2 POSITIEWE NASIEN VANAF 5.1.2 = 0,053 mm (3\

5.2.1OPTION 1 OPSIE 1 A =

5.2.2POSITIVE MARKING FROM 5.2.1 POSITIEWE NASIEN VANAF 5.2.1 OPTION 1 OPSIE 1 OPTIO N 2

Q6— Section header —

6.1The bending of light when it passes from one medium to another (of different optical densities\. ie breking van lig wanneer dit vanaf een meduim na n ander beweeg (van verskillende optiese digthede\

6.2ngle of incidence nvalshoek (1\

6.3

6.4Emergent angle itvalshoek (1

6.5Increase erhoog (1

6.6.1ncident ray nval lende

6.6.2efraction ray reking straal

6.6.3Emergent (r ay itval lende straal

6.7NEGATIVE MARKING WITHIN

6.7./ NEGATIEWE NASIEN IN 6.7 Glass. As the light move from air to glass it bends towards the norma , which indicates a

6.8Telescopes Binoculars Periscopes Optic fibre Endoscope any three

Q7— Section header —

7.1Visible Radio waves Microwaves rays Infra red

7.2.1Ultraviolet ltraviolet (1\

7.2.2Infrared nfrarooi (1\

7.2.3ray traal (1\

7.2.4Radio waves adiogolwe (1\ [8

Q8— Section header —

8.1.1 harge aai (1

8.1.2NEGATIVE MARKING FROM 8.1.1 NEGATIEWE NASIEN VANAF 8.1.1 The capacitor is connected to a battery/power source Die kapasitor is aan battery/ kragbron gekoppel.

8.2.1= 3,79 x 10 12 (3\

8.2.2POSITIVE MARKING FROM 8.2.1 POSITIEWE NASIEN VANAF 8.2.1 91,03 V (3\ [8]8

2.3810 \(10,2 10 (8,85

9.1.1Light Heat Sound Mechanical (energy\ (any two\ Lig Warmte Klank Meganiese

9.1.2 OPTION 1 OPSIE 1 OPTION 2 OPSIE 2 OPTION 3

9.2OPTION 1 OPSIE 1 OPTION OPSIE 2

Q10— Section header —

10.1.1 An electric motor is a device that converts electrical energy to mechanical energy NOTE: If devise is omitted credit 1 mark only.

10.1.2 Split ring/ Commutator Spleetring/ kommutator (1

10.1.3 Anti lockwise ntikloksgewys (1

10.2Mechanical energy into electrical energy. eganiese energie na elektriese energie (2\

10.340 V (3 [9 TOTAL

Q2— Section header —

Mark Allocation

Total150 marks

Sections20 + 20 + 19 + 8 + 9 = 76 marks

Paper information

SubjectTechnical Sciences

Year2022

SessionMay-June

TypeMemo

PaperPaper 1

LanguageAfrikaans

Pages13

Downloads3

Examination context

Decade2020s

Years ago4y

Season—

Start day—

Exam period—

Days since exam—

About Technical Sciences examination preparation

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Corresponding examination paper

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