# Physical Sciences Grade 10 P1 March Test 2020 Paper & Memo

> Grade 10 Physical Sciences Paper 1 question paper and memo from the March Test 2020, 11 pages. Read online or get the free PDF download.

- Page: https://www.hlayiso.com/library/phy-p1-march-qp-memo-2020-gr10/a09ce29b-5dd8-4f70-a239-2179688bf17e
- Updated: 2026-09-27
- Subject: Physical Sciences
- Grade: Grade 10
- Document type: Question paper and memo
- Year: 2020
- Exam period: March Test
- Paper: 1
- Curriculum: CAPS
- Pages: 11

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## About this document

Physical Sciences · Grade 10 · March Test · 2020. Question paper and memorandum, 11 pages. Read online or download the PDF.

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## Document text

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Physical Sciences P1 Common Test March 2020

NSC

INSTRUCTIONS AND INFORMATION

1. Write your name in the appropriate spaces on the ANSWER BOOK.
2. Answer ALL the questions in the ANSWER BOOK.
ch, This question paper consists of FIVE questions.

4. Number the answers correctly according to the numbering system used in
this question paper.

5. Leave ONE line between two sub-questions, for example between
QUESTION 2.1 and QUESTION 2.2.

6. You may use a non-programmable calculator.

Yo You are advised to use the attached DATA SHEET.

8. Show ALL formulae and substitutions in ALL calculations.

=. Round off your final answers to a minimum of TWO decimal places.

10. Give brief motivations, discussions, et cetera where required.

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Physical Sciences P1 3 Common Test March 2020
NSC

QUESTION 1: MULTIPLE-CHOICE QUESTIONS

Four possible responses are provided as answers to the following questions.
Each question has only ONE correct answer. Choose the answer and write
only the letter (A — D) next to the question number (1.1 — 1.4) in the ANSWER
BOOK, for example 1.5 C

1.1. The distance between any two consecutive points that vibrate in phase
on a wave is the ...

A period

B wavelength

Cc amplitude

D frequency (2)

1.2 Awave moves past a fixed point at a speed of x m.s‘'. If the speed of the
wave stays the same and the frequency of the wave doubles, then the
wavelength of the wave will ...

A halve

B double

Cc remain the same

D increase fourfold (2)

1.3. The diagram below represents two sound waves, A and B.

A B
if COC

i
it
1

Which ONE of the following combinations that compares the frequency
and loudness of A with B is CORRECT?

Frequency of A Loudness of A
A Greater than B Less than B
B Less than B Greater than B
Cc The same as B Greater than B (2)
D The same as B Less than B

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Physical Sciences P1 Common Test March 2020

NSC

1.4 Doctors use certain equipment to check on the health of unborn babies.
This equipment uses ...

A x-rays
B radio waves
Cc ultrasound
D microwaves (2)
[8]
QUESTION 2
2.1. Define the term puise.
2.2 The diagram below shows two pulses L and M, travelling in opposite
directions in a rope. The amplitude of pulse L is UNKNOWN and that
of pulse M is 7cm.
L
I\\x
7 Cl
M
The two pulses meet at point X and the resulting amplitude is shown
below.
X
4cm
2.2.1 What type of interference takes place at X? (1)
2.2.2 Why is it possible to apply the principle of superposition at X? (1)
2.2.3 Determine the amplitude of L. (1)
2..2.4 In which direction does pulse M move AFTER the 2 pulses pass
each other?
Write either TO THE LEFT or TO THE RIGHT. (1)
[6]

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Physical Sciences P1 5 Common Test March 2020
NSC

QUESTION 3

The following wave pattern is produced by a transverse wave that takes
4 seconds to complete one vibration.

Direction in which the waves moves ————>

DRAG p.

3.1. Define the term transverse wave. (2)
3.2 Determine the frequency of the wave. (3)
3.3 If the speed of the wave is 0,05 m.s*' calculate the value of x in mm. (5)

3.4 How long (in seconds) does it take for a particle to move from
point A to point B? (1)
[11]

QUESTION 4

4.1. Alongitudinal wave moves along a slinky spring. Positions A and B
are the centres of a compression and a rarefaction respectively.
A and B are 24cm apart.

OOOO Teg

ils TAN

4.1.1. Define the term compression. (2)
4.1.2 Use the diagram to determine the wavelength of the wave. (2)

4.1.3. Determine the period of the wave if it takes 1,5s for a particle to
move from A to B. (2)

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Physical Sciences P1 6 Common Test March 2020

NSC

4.2 Thabo and Thabiso conducted an experiment to determine the speed of
sound in air. They stood 500m away from a mountain and Thabo fired a toy
gun directly towards the mountain. Thabiso simultaneously started a stop-
watch. He then recorded the time taken to hear the echo. The experiment
was repeated three times and readings were recorded.

Mountain

Experiment Number | Time Taken (s)
1 3,01
2 2,95
3 3,04

4.2.1 How is an echo produced?

4.2.2 Determine the average time from the above readings.

4.2.3 Calculate the speed of sound.

4.2.4 How does the speed of sound in water compare to the speed of
sound in air?

(Choose from GREATER THAN, LESS THAN or EQUAL TO).
Give a reason.

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(1)
(2)

(2)
[12]

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Physical Sciences P1 7 Common Test March 2020
NSC
QUESTION 5
5.1. What is meant by the term: the DUAL NATURE of electromagnetic
radiation? (2)
5.2 Aparticle has 3,98 x 10°19 J of energy and has and a wavelength of 5 x 10°73 m.
5.2.1 What is a photon? (2)
5.2.2 What is the speed of a photon? (1)
5.2.3 By means of a calculation, show that the above particle is a photon. (4)
5.3 Will a photon of ultraviolet light have MORE ENERGY or LESS
ENERGY than a photon of gamma rays? Give a reason. (2)
5.4 Name the type of electromagnetic radiation that is used to study animals
at night. (2)
[13]
TOTAL MARKS: [50]

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Physical Sciences P1 8 Common Test March 2020
NSC

DATA FOR PHYSICAL SCIENCES GRADE 10
PAPER 1 (PHYSICS)

GEGEWENS VIR FISIESE WETENSKAPPE GRAAD 10
VRAESTEL 1 (FISIKA)

TABLE 1: PHYSICAL CONSTANTS/TABEL 1: FISIESE KONSTANTES

NAME/NAAM SYMBOL/S/MBOOL VALUE/WAARDE

TABLE 2: FORMULAE/TABEL 2: FORMULES

__WAVES, SOUND AND LIGHT/GOLWE, KLANK EN LIG
1

vata |.

L i
Ax

[ve

~ At

c=fh E=h&

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                             NATIONAL
                        SENIOR CERTIFICATE

                                 GRADE 10

                      PHYSICAL SCIENCES P1
                             COMMON TEST
                              MARCH 2020
                        MARKING GUIDELINE

TIME:    1 Hour

MARKS:   50

                  These marking guideline consists of 3 pages.

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Physical Sciences P1                           2                      Common test March 2020
                                        Marking Guideline

QUESTION 1

1.1    B                                                                          (2)
1.2    A                                                                          (2)
1.3    D                                                                          (2)
1.4    C                                                                          (2)
                                                                                    [8]

QUESTION 2

2.1    A single disturbance in a medium                                           (2)
       2.2.1 Destructive                                                           (1)
       2.2.2 The 2 pulses occupy the same space at the same time                   (1)
       2.3.1 3 cm                                                                  (1)
       2.3.2 To the left                                                           (1)
                                                                                    [6]

QUESTION 3

3.1    The particles of the medium vibrate at right angles to the direction of
       motion of the wave                                                         (2)

3.2
                   1
                f                                 1 wave in 4 s    
                   T       
                                                   x waves in 1 s   
                   1                               x = 0,25 waves
                                 OR
                   4                               f = 0,25 Hz      
                  0,25 Hz 
                                                                                    (3)

3.3       v=fx         
       0,05 = 0,25 x  
          = 0,2 m      
          x = 200 x 1,5 
            = 300 mm                                                               (5)

3.4    14 s                                                                        (1)
                                                                                    [11]

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Physical Sciences P1                                3                     Common test March 2020
                                             Marking Guideline

QUESTION 4

4.1
       4.1.1 A region of high pressure in a longitudinal wave                        (2)
       4.1.2 9,6 cm                                                                  (2)
       4.1.3 1,5s to make 2,5 waves 
               x s to make 1          wave
               x = 0,6 s                                                              (2)

4.2
       4.2.1 The sound wave reflects off the hard surface.                            (1)
       4.2.2 3 s                                                                      (1)
       4.2.3
                     d                                d
                  v                                v
                      t                                t
                     1000                             1000 
                                     OR           
                        3                                3
                    333,33 m  s 1                333,33 m  s 1 
                                                                                        (2)

       4.2.4 Greater than 
             Water is denser than air                                                 (2)
                                                                                       [12]
QUESTION 5
5.1    The radiation has both wave and particle properties                           (2)

       5.2.1 A packet of energy in which light travels.                              (2)
                       8     -1
       5.2.2    3 x 10 m.s                                                            (1)
       5.2.3
                                  hc
                           E       
                                  
                      13 6.63 10 34  c
                3,98 10                                                             (4)
                              5 10 13
                           c  3 10 8 m  s 1 
5.3    Less energy 
       Ultraviolet rays have a lower frequency compared to gamma rays                 (2)

5.4    Infrared                                                                      (2)
                                                                                       [13]

                                                                     TOTAL MARKS:      [50]

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