# Physical Sciences Grade 10 P1 Mpumalanga June 2025 QP & Memo

> Grade 10 Physical Sciences Paper 1 question paper and memo from the Mpumalanga June Exam 2025, 20 pages. Read online or get the free PDF download.

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- Updated: 2026-09-27
- Subject: Physical Sciences
- Grade: Grade 10
- Document type: Question paper and memo
- Year: 2025
- Exam period: Mpumalanga June Exam
- Paper: 1
- Curriculum: CAPS
- Pages: 20

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## About this document

Physical Sciences · Grade 10 · Mpumalanga June Exam · 2025. Question paper and memorandum, 20 pages. Read online or download the PDF.

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## Document text

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### Page 1

Testpapers.co.za

education

MPUMALANGA PROVINCE
REPUBLIC OF SOUTH AFRICA

MARKS: 100
TIME: 2 HOURS

This question paper consists of 12 pages including data sheets and formulae
sheets

Copyright reserved Please turn over

### Page 2

STE, YS N=

Testpapers.co.za MDE/June 2025
FET:Grdde 10

INSTRUCTIONS AND INFORMATION

Write your NAME and GRADE on the answer book.

Answer ALL questions in the ANSWER BOOK

Non-programmable calculators may be used.

Show ALL formulae and substitutions in ALL calculations

Number the questions correctly according to the number system used in this
question paper.

—
Round off your ai UM of TWO decimal places, where
applicable.
Wherever motivatio

You are advised

et cetera are required be brief.
hed DATA SHEETS.
Write neatly and | é

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### Page 3

Testpapers.co.za MDE/June 2025
FET:Grdde 10

QUESTION 1

1A

1.2

1.3

Various options are provided as possible 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—1.7) in the ANSWER
BOOK, for example 1.11 E

The wave diagram below indicates joints on the waves that are in phase and

out of phase.
[ Trt T

t T " =|

BY

\
\ J i a

By
Aé Ex S| =

hs

SN

The letters below indicate points of the waves that are in phase.

A CG

EJ

AE (2)
AB

...iS subjective term describing the strength of the ear's perception of a sound.

00 8

A Pitch

B Tone (2)
Cc Frequency

D Loudness

Ultrasound can be described equencies that are ...

B (2)
Cc er 100 kHz
D ower than 1000 kHz

Copyright reserved Please turn over

### Page 4

1.4

1.5

1.6

Testpapers.co.za MDE/June 2025
FET:Grdde 10

An electromagnetic wave with energy, E, has frequency, f. if the frequency of
an electromagnetic wave is now, 2f, what would be the energy of this

electromagnetic wave?

A E

B 2E (2)
Cc wE

D 4E

The wavelength of gamma rays is, A. The wavelength of x-rays is likely to

A
B (2)
Cc
D 9 ams ahimorephysics.com
The two wave pulses are approaching each as shown below.
x»
+4 T
+3 /
+2
E +1 i
< L
a poy is orepnyin 0
-4
The resultant amplitude for the waves pulses when they interfere with each
otheris...
A +7com
B -3.cm
Cc +1¢em (2)
D -1cm

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### Page 5

Testpapers.co.za MDE/June 2025
FET:Grdde 10

1.7 The partial or complete polar separation of positive and negative electric charge in a
system is knownas ...

A
B
Cc
D

Tribo-charging

Polirisation

Charge quantization (2)
Attraction

41.8 A sphere carries a charge, Q, which corresponds with number of 1,251%

1.9

A

B
c
D

(2)
h=h+kh
L=h+I3
lh=ht+h (2)
1, =I, —I3

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### Page 6

Testpapers.co.za MDE/June 2025
FET:Grdde 10

1.10 Consider the two circuit diagrams below.

CIRCUIT 1 CIRCUIT 2

The emf of the |b.

A Vi -Ve2
B V2 -V1 (2)
Cc Mi 4
D V2
[20]
QUESTION 2
Two transverse waves interfere with each other as per the graphs drawn below.
k 1
4}— —
& 4 : | Wa be GraphA
3 2] / T a’,
2 é tex, SN
ay _ >
: | 8 \ t(x10° )s
1.4 PX So 5 F _
2 mn Z| —— \. —|—— x —
A ANS! | Graph B
a | _ | 7
-4
v
2.1 Explain the meaning of points that out of phase in waves. (2)
2.2 Write down:
2.2.1. The number of waves represented by graph A (1)

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### Page 7

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FETGrade 10

2.2.2 The period of graph B

2.2.3. The graph with the highest frequency. Choose from graph A or graph B

2.2.4 The amplitude of graph A

2.2.5 The type of interference when the time is 1,5 x10 s.

MDE/June 2025

(1)
(1)
(1)
(2)

2.3 Calculate the frequency of the waves in graph A (3)
[11]
QUESTION 3
The wave fronts on th sents areas of compression and
rarefaction of a longit quency of 800 Hz. The distance in (mm)
between compressions and ndicated on the sketch
0 3 4 ‘
A B c D
3.1. Define the term longitudinal wave (2)
3.2 Considering only the two points C and D, write down the point that:
3.2.1 Represents compression of wave fronts. (1)
3.2.2 | Represent a crest on a wave diagram. (1)
3.3 Use the sketch to determine the wavelength of the waves (2)
3.4 Calculate speed of the waves (3)
3.5 Consider the above sketch and draw the transverse wave diagram.
Indicate the point B, C and D on the graph (5)
[14]

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### Page 8

Testpapers.co.za MDE/June 2025
FET:Grdde 10

QUESTION 4

A bat hovering at the same point sends sound waves with a frequency of

12 000 Hz towards a hovering moth and receives the same frequency back. The bat

receives the sound same frequency 1,8 s later, from the moment it sent the sound

waves

moth

Explain the meaning ot fa words ‘i ch of sound’

41
4.2 The speed of the sound waves in air is 340 m-s*. Calculate:
4.2.1 The wavelength of the waves produced by the bat
4.2.2 The distance between the bat and the moth
QUESTION 5
5.1. Electromagnetic spectrum includes amongst others, radio waves, gamma rays,
ultraviolet light and x-rays.
5.1.1. List the above-mentioned rays in order of increasing frequency
5.1.2 Write down the type of electromagnetic radiation that produces the
highest energy
5.2 Acertain radio station broadcast at a frequency of 92,5 MHz.
5.2.1. What type of electromagnetic radiation corresponds with this frequency?
5.2.2 Briefly explain the dual nature of electromagnetic radiation
5.2.3. Calculate the wavelength that correspond with this frequency
5.3 Over exposure to X-ray scans that are beyond 6x10" Hz on a human body

damages the skin and other organs in the body. A radiographer specialist wants
to conduct an x-ray scan on a human body.

Copyright reserved Please turn over

(2)

(3)
(3)
[8]

(2)
(1)

(1)
(2)
(4)

### Page 9

Testpapers.co.za MDE/June 2025
FET:Grdde 10

Two x-ray instruments are available for use.

X-rays machine Corresponding energy
x-ray machine 1 5304x1079 J
x-ray machine 2 5,967x10°1° J
5.3.1. Write down TWO uses of x-rays. (2)
5.3.2 Usea suitable calculation | to determine a safe X-ray machine for the (5)
scan. is
[17]
QUESTION 6
Two identical conducting spheres A and B carrying charges of - 2 nC and +5 nC
respectively come into contact with each other and then separated back to their original
positions
After contact
Q=? Q=?
— ‘
6.1 State the principle of conservation of charge in words. (2)
6.2 Calculate the number of excess electrons on sphere A (3)
6.3. Do sphere B gains or losses electrons during the process (1)
6.4 Determine the number of electrons gained or lost by sphere B during the
process (5)
6.5 When pieces of papers are brought nearer to sphere A, they are attracted to the
sphere. Explain why the papers are attracted to the sphere. (3)
[14]

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### Page 10

Testpapers.co.za MDE/June 2025
FET:Grdde 10

QUESTION 7

The circuit below has three resistors, with each resistor having resistance of 2,25 Q
and 2,25 Q and 8 Q respectively. A battery with a number of cells has an unknown
‘emf measured by the voltmeter V.

R3=8

Switch, s, is initially open and the current passing through Rz2 is 2A. The internal
resistance of the battery and resistance of the conducting wires is negligible.
7.1 Define the term emf of battery
7.2 Write down the:

7.2.1 current in resistor Ri

7.2.2 current in resistor Rs
7.3 Calculate the:

7.3.1 reading on the voltmeter V.

7.3.2 The emf of each cell

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(2)

(1)
(1)

(2)
(2)

### Page 11

Testpapers.co.za MDE/June 2025
FET:Grdde 10

Switch, S, is now closed, the potential difference across Ri changes from 4,5 V to

5,06 V and the current on ammeter, A1, is now 2,25 A

7.4. When switch, S, is closed, how does the current in resistor R2 and the current
on ammeter, A1, compared? Write down HIGHER THAN, LOWER THAN or

EQUAL TO. Explain your answer. (3)
7.5 ~~ Calculate:
7.5.1. The effective resistance of the parallel connection. (3)

7.5.2 The energy dissipated don resistor, R1, in 4 minutes.
5

(4)
[16]

GRAND TOTAL: 100

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### Page 12

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FET+Grdde 10

MDE/June 2025

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/SIMBOOL VALUE/WAARDE
TABLE 2: FORMULAI a 44 MULES
MOTION/BEWEGING
Vy =V, +adt Ax = v,At+4aat?

v,? =Vv,2 +2aAx

WORK, ENERGY AND POWERIARBEID, ENERGIE EN DRYWING

U=mgh or/of E,=mgh

1 1
K=—mv2 E, ==mv
7) orlof Ex 3

2

Em=E,+E,. orlof Em=K+U

WAVES, SOUND AND LIGHT/GOLWE, KLANK EN LIG

v=fa

T=1

f
c
E=hf or/of E= at
ELECTROSTATICS/ELEKTROSTATIKA
mel ss Q,+Q,
a Q=7 3

ELECTRIC CIRCUITS/ELEKTRIESE STROOMBANE

714

. tM oe I
Q=Iat R, Ry Ro

R, =R, +R, +... V= =

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### Page 13

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education

MPUMALANGA PROVINCE
REPUBLIC OF SOUTH AFRICA

-ATION AND TRAINING
WYS EN OPLEIDING

MAR

MARKS/PUNTE: 100

This marking guidelines consists of 8 pages/Hierdie nasienriglyne bestaan uit
8 bladsye

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### Page 14

Testpopers.co.za | MDE/MOD/June/Junie 2025
FET/VOO-Grade/Graad 10-Marking guidelines/Nasienriglyne

QUESTION 1/VRAAG 1

11. C¥v (2)
12° Dvv (2)
1:3, C¥v (2)
14° BYY (2)
15 AVY (2)
16 Cv¥v ; (2)
17. BYY : (2)
18 AVY (2)
19 BYv (2)
1.10 C¥v (2)

[20]
QUESTION 2/VRAAG 2
2.1 Out of phase: Points that are not separated by a whole number multiple of complete
wavelengths. ¥~ (2)
Uit fase: Punte wat nie geskei word deur 'n heelgetal veelvoud van volledige
golflengtes nie.
2.2.1 1.5 waves or 1 % wavesv / 1.5 golwe of 1% golwe (1)
2.2.2 4sv¥ (1)
2.2.3. Graph BY /Grafiek B (1)
2.24 3cmv (1)
2.2.5 Destructive interference YY /Destruktiewe interferensie (2)
23
Option 1 / Opsie 1
1
f= r v
=— Vv (3)
6x10
f=166,67 Hzv
[11]

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### Page 15

Testpopers.co.za | MDE/MOD/June/Junie 2025
FET/VOO-Grade/Graad 10-Marking guidelines/Nasienriglyne

QUESTION 3/ VRAAG 3

3.1. Define a longitudinal wave: a wave in which the particles of the medium (2)
vibrate parallel to the direction of motion of the wave. VY
Definieer 'n longitudinale golf: 'n golf waarin die deeltjies van die medium
parallel met die bewegingsrigting van die golf vibreer.

3.2.1 B/D/FY (1)
3.2.2 BIDIFY (1)
3.3 A=9-3V=6 cmv _

or
A=6-0=6 cm (2)
Accept any two si essions or two successive rarefactions
Aanvaar enige ti de kompressies of twee opeenvolgende
verdunnings. ~~

3.4 POSITIVE MARKIN .3 / POSITIEWE NASIEN VANAF 3.3
v=fA ¥ (3)
=(800)(0,06)¥
“V=48 m-sl¥
3.5

(5)

v
Marking criteria / Nasienkriteria Marks / Punte
Correct labels for B,C and D VY

/ Korrekte byskrifte vir B,C en D
Correct shape of the graph starting at y - intercept / | ¥Y

Korrekte vorm van die grafiek begin by y - snysnit

[14]

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### Page 16

Testpopers.co.za | MDE/MOD/June/Junie 2025
FET/VOO-Grade/Graad 10-Marking guidelines/Nasienriglyne

QUESTION 4/VRAAG 4

4.1 Pitch is the effect produced in the ear due to the sound of a particular
frequency. VY”
Toonhoogte is die effek wat in die oor geproduseer word as gevolg van die
klank van 'n spesifieke frekwensie.

4.2.1 v=fAv
340=12 000A, ¥
A=0,0283 Hz.
4.2.2
Option A/ OPSII | Option B / OPSIE B
D Diotal
= = otal y
vat at
D Diotal
= —— j= v
340-55 340° 553
D=306 mY Deotai=612 m
_ 612
“2
=306 m¥
QUESTION 5/VRAAG 5

5.1.1 Radio waves, ultraviolet light, x-rays, gamma rays¥ ¥
Radiogolwe, ultravioletlig, x-strale, gammastrale
5.1.2 Gamma raysY /gammastrale
5.2.1 Radio wavesY /radiogolwe
5.2.2 Electromagnetic radiation has both the wave natureY and particle natureY
ctr ; Sie straling het beide die golfaard en deeltjieaard.

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(2)

(3)

(3)

[8]

(2)
(1)

(1)
(2)

(4)

### Page 17

Testpapers .co.za | MDE/MOD/June/Junie 2025
FET/VOO-Grade/Graad 10-Marking guidelines/Nasienriglyne

5.3.1. diagnosis of fractures and injuriesY Any other two correct answers.

e _ identification of infections in the body like pneumoniaY
e dental check-ups (2)

e cancer detection

e to detect foreign objects in the body

Enige ander twee korrekte antwoorde.

e diagnose van frakture en beserings

e identifikasi infeksiessin die liggaam soos longontsteking

e  kanker op

* omvreemde \ liggaam op te spoor

5.3.2
Option 1 / Opsie 1 Option 2 / Opsie 2
E=hfv E=hfv
E=(6,63x10™)( 6x10'®)v 5,304x10°'°=6,63x10 “fv

E=3,978x10°'SJv 2f=8x10'SHz
-15 -15 we
5,304x10"® J> 3,978x10"'J

5,967x10"'° J< 3,978x107'°J

(5)
x-ray machine 2 is safe to use. Vv

[17]

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### Page 18

Testpapers.co.za | MDE/MOD/June/Junie 2025
FET/VOO-Grade/Graad 10-Marking guidelines/Nasienriglyne

QUESTION 6/ VRAAG 6

6.1. — Principle of conservation of charge: The net charge of an isolated system (2)
remains constant during any physical processW¥
Beginsel van behoud van lading: Die netto lading van 'n geisoleerde sisteem

bly konstant gedurende enige fisiese proses

6.2
Option 2 / Opsie 2
fe Q vv
qe (3)
_ 2x10°
1,6x10'°v
=1,25x10'°¥ electrons
6.3 Gains electronsY / Verkry elektrone (1)
6.4
Option 1 / Opsie 17 Option 2 / Opsie 2
Q,+Q Q,+Q
Qeach= 5 2 Qeach= + 2
_(-2x10°)+5x10° y _(-2x10°)+5x10°¥
a a

=+1,5x10°C
aAy

e
_(8x10°)-(1,5x10°)Y r
1,6x10°'°
=2,188x10'° Yelectrons (gained)

(5)

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### Page 19

Testpapers.co.za | MDE/MOD/June/Junie 2025
FET/VOO-Grade/Graad 10-Marking guidelines/Nasienriglyne

6.5._e pieces of paper is attracted to the sphere due to polarization”
© positive charges of the sphere attract negative of the paperY
e The paper becomes slightly positive on the far end and slightly negative (3)
near the sphere. ¥

/
e stukkies papier word na die sfeer aangetrek as gevolg van polarisasie

* positiewe ladings van die sfeer trek negatief van die papier aan

e Die papier word effens positief aan die verste punt en effens negatief naby

die sfeer.
[14]
QUESTION 7 / VRAAG |
7.1 emf of a battery: the (maximum) work done per unit charge by the source
(battery). 7 (2)
emk van 'n battery: die (maksimum) werk verrig per eenheidlading deur die
bron (battery).
7.2.1 2AV (1)
7.2.2 O(A)Y (1)
7.3.1 V=Vi+V2
=4,5+4,5v (2)
=9 VV
7.32 emi=3¥=3 vw (2)
7.4 LOWER THANY
e The ammeter Ai reads the total current in the circuit¥ (3)

e The current is divided in the parallel connectionY
LAER AS

+ Die ammeter A; lees die totale stroom in die stroombaan
+ Die stroom word in die parallelle verbinding verdeel

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### Page 20

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| MDE/MOD/June/Junie 2025

FET/VOO-Grade/Graad 10-Marking guidelines/Nasienriglyne

7.5.1
OPTION 1/OPSIE 1 OPTION 2/OPSIE 2
7_1,1 R;+R>
—=—+—Vv = ey
Rp Ry; Ro Rp R,Ro
Pare _ 2.2548
nae & 2,25%8
Rp=1,756 QY
-Rp=1,756 OY
x
7.5.2
OPTION 1/ OP OPTION 2/OPSIE 2
Q=IAt 4 W=VIAtY
9) 5 06x2,25V'x240¥
=540C =2 732, 4 Jv
Ww
=v
Q
Ww
= ——$ f
5,08= =
W=2 732, 4 J¥
OPTION 3/ OPSIE 3 OPTION 4/OPSIE 4
W=PRAtY
=(2,25°x2.25)¥ (240) ¥
=2 733,75 Jv

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(3)

(4)

[16]

GRAND TOTAL/GROOTTOTAAL 100

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