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# edu.limpopo.gov.za NSC Grade 12 Physical Science Sample Question Paper : Department Of Education

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Organisation : Limpopo Department Of Education
Exam : National Senior Certificate Grade 12 Exam
Document Type : Sample Question Paper
Category or Subject : Physical Sciences

Website : http://www.edu.limpopo.gov.za/index.php??option=com_content&view=article&id=112&option=com_content
Memo 2 (English & Afrikaans) : https://www.southafricain.com/uploads/2036-physcimemo1.pdf
Memo 1 (English & Afrikaans) : https://www.southafricain.com/uploads/2036-physcimemo2.pdf

## Limpopo Physical Sciences Sample Question Paper

### Instructions

1.Write your centre number and examination number in the appropriate spaces on the ANSWER BOOK.

Related : Limpopo Department Of Education NSC Grade 12 Exam Geography Sample Question Paper : www.southafricain.com/2030.html

2. This question paper consists of TWO sections:
a. Section A (25)
b. Section B (125)

4. You may use a non-programmable calculator.
5. You may use appropriate mathematical instruments.
6. Number the answers correctly according to the numbering system used in this question paper.
7. You Are Advised To Use The Attached Data Sheets.
8. Give Brief Motivations, Discussions, Et Cetera Where required.
9. Round off your final numerical answers to a minimum of TWO decimal places. ### Sample Questions

Section A
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) in the ANSWER BOOK.
1.1 The sum of the kinetic energy and gravitational potential energy of an object
1.2 The law of motion that can be used to explain why all persons in moving vehicles should wear safety belts
1.3 The energy a charge possesses as a result of its position relative to other charges that it interacts with
1.4 The bending of waves around corners or obstacles
1.5 The minimum energy needed to remove an electron from the surface of a metal

Question 2: Multiple-Choice Questions
Four options are given as possible answers to the following questions. Each question has only ONE correct answer. Write only the letter (A–D) next to the question number (2.1–2.10) in the ANSWER BOOK.
2.1 Net force is a measure of the …
A change in energy.
B rate of change in energy.
C change in momentum.
D rate of change in momentum.

2.2 If air resistance is negligible, the total mechanical energy of a free-falling body …
A remains constant.
B becomes zero.
C increases.
D decreases.

2.3 If the momentum of an object is doubled, then its kinetic energy is …
A halved.
B doubled.
C three times greater.
D four times greater.

2.4 The degree of diffraction depends on a wave’s …
A phase.
B velocity.
C amplitude.
D wavelength.

2.5 The diagram below shows waves generated by two coherent sources, S1 and S2. The solid lines represent CRESTS and the broken (dashed) lines represent TROUGHS.Destructive interference occurs at points …
A Q and R.
B Q and P.
C Q and S.
D R and S.

2.6 Two small identical metal spheres, each carrying equal charges Q, are brought into contact and then separated. The charge on each sphere will now be …
A zero.
B Q
C 2 .
D Q/2Q.

2.7 Two resistors of equal resistance are connected in SERIES to a battery with negligible internal resistance. The current through the battery is I. When the two resistors are connected in PARALLEL to the same battery, the current through the battery will be …
A ½I.
B I.
C 2I.
D 4I.

2.8 Which ONE of the following statements is INCORRECT? Electromagnetic waves …
A can undergo reflection and refraction.
B are longitudinal waves.
C can travel through a vacuum.
D can undergo diffraction and interference.

2.10 Light spectra help to identify elements. White light is passed through a cold gas and then through a prism as shown in the sketch below.What type of spectrum is observed on the screen?
A Line absorption spectrum
B Line emission spectrum
C Continuous absorption spectrum
D Continuous emission spectrum