# Physical Sciences Grade 10 KZN March Test 2026 Paper & Memo

> Grade 10 Physical Sciences question paper and memo from the KZN March Test 2026, 21 pages. Read online or get the free PDF download.

- Page: https://www.hlayiso.com/library/grade-10-physical-sciences-2026-kzn-march-test-question-paper-and-memorandum/ea01d93f-bdd9-42ee-86c0-ba57d00b2f24
- Updated: 2026-09-28
- Subject: Physical Sciences
- Grade: Grade 10
- Document type: Question paper and memo
- Year: 2026
- Exam period: KZN March Test
- Curriculum: CAPS
- Pages: 21

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## About this document

Physical Sciences · Grade 10 · KZN March Test · 2026. Question paper and memorandum, 21 pages. Read online or download the PDF.

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### Page 1

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KWAZULU-NATAL PROVINCE

EDUCATION
REPUBLIC OF SOUTH AFRICA

NATIONAL

SENIOR CERTIFICATE

GRADE 10 |

MARKS: 100

DURATION: 2 hours

This question paper consists of 11 pages and a data sheet.

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INSTRUCTIONS AND INFORMATION

1.

10.

11.

This question paper consists of SEVEN questions. Answer ALL the questions
in the ANSWER BOOK.

Start EACH question on a NEW page in the ANSWER BOOK.

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

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

You may use a non-programmable calculator.
You may use appropriate mathematical instruments.

You are advised to use the attached;DATA SHEET.

Show ALL formulae and : bstitu

BN
Round off your final numet

in ALL calculations.

Ss to a minimum of TWO decimal places.
Give brief motivations, di sions et cetera where required.

Write neatly and legibly.

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QUESTION 1: MULTIPLE-CHOICE QUESTIONS

Various options are provided as possible answers to the following questions.
Choose the correct answer and write only the letter (A to D) next to the question
number(1.1 to 1.7) in your ANSWER BOOK, for example 1.8 D

1

1.2

1.3

14

13

1.6

The term given to distance between two successive points in phase
A amplitude

B_ period

C_ wavelength

D_ frequency

Sound waves cannot travel through a vacuum because sound waves :

A have low frequencies
Bare transverse waves
C require a medium to transfemenergy
D have small amplitudes |

Ultrasound can be described bysfrequencies that are
A Higher than 100kHz a) ‘

B_ Higher than 20kHz but lower than 100kHz

C Lower than 20kHz-

D_ Higher than 100kHz but lower than 1000kHz

When the frequency of vibration of a wave with a period T is doubled, then its
period is

A T

B 2T

C 4T

D O.5T

Which ONE of the following statements is CORRECT

A Loudness of sound depends on the frequency of the sound
B Pitch of sound depends on the amplitude of the sound

C Speed. of sound waves is always constant

D All electromagnetic waves travel faster than sound waves

A radio station transmits radio signals with a frequency range from 3MHz to
6MHz.The maximum wavelength of the radio signal transmitted is :

100m
200m
0,02m
0,01m

0NW>D

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1.7 & Two identical spheres, P and Q, placed on insulated stands consist of charges
of +3nC and +9nC respectively as shown below

+9nC

In which di e when the spheres are brought into

contact?

A FromQtoP

B FromPtoQ

C No movement, ele a

D No movement as positively charged (2)

[14]

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QUESTION 2 (Start on a new page.)

Two pulses, A and B travel along a string in opposite directions and approach each
other at the same speed as shown in the diagram below. Pulse A has an amplitude
of 5cm when itis at-position P. Pulse B has an UNKNOWN amplitude when it is at
position Q. Pulses A and B meet at position R resulting in a pulse that has an
amplitude of +3cm from the rest position. Points P and Q are the same distance
from point R.

NOTE: Diagrams are NOT drawn to scale

A
>
+-_—_ B
2.1 Define the term amplitude (2)
22 What type of interference occurs at point R? Explain your answer. (3)
23 Calculate the amplitude of pulse B at point Q (2)

2.4 After the two pulses pass each other:

2.4.1 In which direction will pulse B move ?Write to the RIGHT or to the

LEFT (1)
2.4.2 How will the amplitude of pulse A change after the pulses meet

compared to before they met? Write INCREASES,DECREASES

OR REMAINS THE SAME (1)

[9]

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QUESTION 3 (Start on a new page.)

The diagram below represents a transverse wave.

The speed of the transverse wave i

3.1

3.2

3.3

3.4

12cm

March 2026

Define the term freq
Write down the :
312.1 letters of two frre ‘
3.2.2 name given to point D
Determine the following :

3:3:1 amplitude

3.3.2 wavelength

Calculate the:

3.4.1 frequency of the wave

3.4.2 time taken for one wave to pass a fixed point

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QUESTION 4 (Start on a new page.)

Consider the wave below.
The distance between points X and Y is 1m. It takes 0.5s for a particle of the medium to
complete one full vibration from the rest position and back again.

41
4.2

4.3

44
45
4.6

4.7

noe Wa
MAMA ANETTA TT

Define the term /ongitudinal wave

What term is given to the underlined statement above?
Write down the name of the label

4.3.1 P

4.3.2 Q

Determine the wavelength of the wave above.
Calculate the speed of the wave

The wave is propagated through a slinky spring .If length of the spring is 20m,
calculate the time it takes for the wave to move through the spring

The medium is changed so that the wave now travels faster, but the source of
the wave remains the same

4.7.1 State whether the frequency CHANGES or REMAINS THE SAME
4.7.2 Give a reason to the answer in 4.7.1

4.7.3 What happens to wavelength? Choose INCREASES, DECREASES or
REMAINS THE SAME.
Explain the answer.

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QUESTION 5 (Start on a new page.)

Mary stands at point P, between two high buildings A and B, and hits a drum once. Two sound
waves travel from the drum in opposite directions toward the buildings. The distance between
Mary and building B is X metres, and the buildings are 265 m apart.

ro,
A sound detector at building B records the sound 0,22 s after it is detected at building A. Mary
and both buildings are onthe same plane and in a straight line..

oad

a
P

_ a

Ik 265m

2

5.1 Define the termecho i, (1)

5.2 How would the time taken to detect the sound at each building change if the
same activity was repeated on a hotter day?

Choose from INCREASES,DEGREASES or REMAINS THE SAME (1)
53 Give a reason for the answer in 5.2 (2)
5.4 Calculate the distance X, between Mary and building B. (5)

The speed of sound in air is 340m.s*.

Ultrasound is used to detect depths of seas. In one occasion, a boat emitted a sound
and a return signal was received in the boat 10 seconds later. Take the speed of
sound waves in water to be 1500m.s*.

5:5 Calculate the distance of the midway point between the boat and the sea floor. (3)
5.6 Ultrasound is also often used in the medical field to examine the insides of the
human body.
Explain why this method is often preferred to other types of body scanning (2)
[14]

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QUESTION 6 (Start on a new page.)

The diagram below shows the electromagnetic spectrum in order of increasing

wavelength.
Visible light
nan
gamma_ | X-rays P Q microwaves | Radio
rays waves
‘10:4 10° 108 = 108 | 104-4 nae sele 4 10?
Wavelength (m)
6.1 Define the term photon
6.2 Name the electromagnetic radiation represented by the letter:
6.2.1 P
6.2.2 Q
6.3. Which radiation has the |

{ penetrating ability? Write GAMMA RAYS or
RADIO WAVES. -
Explain your answer.

Electromagnetic radiation has many applications in everyday life.

6.4

Wireless headphones receive electromagnetic waves with a frequency of
2.42 GHz from an audio device.

6.4.1 Show, by a calculation that the wavelength of these waves is
0.12 m.

6.4.2 Identify the part of the electromagnetic spectrum that these waves
belong to.

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X-rays are used in dental procedures to examine the condition of a patient's teeth.
During this procedure the patient's head is exposed to X-rays.

6.5 Calculate the energy of a photon of the radiation absorbed by the patient's
head if X-rays radiation of wavelength 0.3nm is used

6.6 How will the energy you calculated in 6.5 change if the wavelength of the
radiation was decreased. Choose from INCREASES,DECREASES OR
REMAINS THE SAME

QUESTION 7 (Start on a new page.)

(4)

(2)

[15]

Two identical metal spheres, A and B, are on insulated surfaces. Sphere A, carries a
charge of +3 x10°° C while sphere B has an’excess of 1.25x10" electrons.

+3 x10°°C \ (s) 1.25x10'excess electrons

Tell State the principle of conservation of charge .
72 Give a reason why we place charged spheres on insulated stands

7.3 Calculate the charge of sphere B

The two spheres are brought into contact and then separated again. When the spheres
get into contact, sphere A gains electrons.

74 Give a reason why sphere A gains electrons and not sphere B.

7.5 Sketch a graph of net charge on sphere A (Y-axis) versus number of
electrons transferred to charge A(X-axis)

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7.6 Calculate the :

7.6.1 new charge on each sphere after the spheres have separated again (3)
7.6.2 number of electrons transferred during contact (3)
[15]
TOTAL: 100

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DATA FOR PHYSICAL SCIENCES GRADE 10
PAPER 1 (PHYSICS)

TABLE 1: PHYSICAL CONSTANTS

NAME SYMBOL VALUE
Acceleration due to gravity g 9,8 m.s2
Speed of light in a vacuum c 3,0 x 108 m-s*
Planck's-constant h 6,63 x 10°%4 J-s
Charge on electron de - 1,6 x 107°C
Electron mass Me 9,11 x 10° kg

TABLE 2: FORMULAE

WAVES, SOUND AND LIGHT

v=faA or c=fa

E =hf

distance
time

speed =

ELECTROSTATICS

Q=n Xe Q

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### Page 13

KWAZULU-NATAL PROVINCE

EDUCATION
REPUBLIC OF SOUTH AFRICA

NATIONAL
SENIOR CERTIFICATE

MARKS: 100

DURATION: 2 hours

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QUESTION 1

4A Cvv¥

12 Cvv

1:3 Byv

1.4 Dvv

15 Dvv

1.6 AvvY

10 Byv

QUESTION 2

2.1 Maximum displacement of particles from the rest/equilibrium position v ¥

(2 or 0)

22 Destructive Interference. v (Theyphenomenon that occurs) when the crest of
one pulse overlaps with the trough of another resulting in a pulse of reduced
amplitude. ¥ —_
x+5=3V iy

2.3 x=-2cm a
Amplitude of B = (-)2cm ¥

24.1 Lefty

eae Remains the same ¥

QUESTION 3

3.1 The number of (full)waves/cycles (passing a fixed point) per second.v ¥

3.2.1 BandDv

3.2.2 Trough ¥

3.3.1 0,4

i =— Vv
Arial 2 NOTE: Award full marks for correct
=0.2mv answer

3.3.2 0,12

Wavelength = ——Y NOTE: Award full marks for correct
a answer
= 0.06 mv

Accept: 6em vv

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3.4.1

POSITIVE MARKING FROM 3.3.2

A wave in which the particles of the medium vibrate parallel to the direction

POSITIVE MARKING FROM 3.4.1
OPTION 2

50 waves in 1 v
1 wave in T s.
T = 0.02 s¥

NOTE: Award full marks for correct
answer

POSITIVE MARKING FROM 4.4

OPTION 1

1
Tq
yi
1
=v
50
= 0.02 s¥
OPTION 3
distance
Speed =——_——_
time
_ 0,06
7 time
time = 0,02sv
QUESTION 4
4.1
of motion of the wave. vv
4.2 Period ¥
4.3.1 Rarefaction V
4.3.2 Compression ¥
4.4 Wavelength = 1x2 v
=2mv
45 wf
"95
[2 Hz
v =fixA Vv
=2x 2V
=4ms'v

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Dowpregrleds Gnome Stanmorephysics. com

2v

0,5”
= 4mstv

POSITIVE MARKING FROM 4.5

4.7.3 Increases ¥
Because v =f xA anc

QUESTION 5
5.1 Reflection of/reflected sound wav
5:2 Decreases ¥

5.3 Sounds travels faster when temperature of the medium increases/the higher
the temperature of the medium, the faster sound travelsv ¥

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5.4Downloaded from Stanmorephysics.com

MARKING CRITERIA
Use of correct equation ¥
Correct substitution (for building A) v
Correct substitution (for building B) v
Subtraction of times/calculation of total v
time for B or time for A
Answer within the correct range(1,69m- v
1,70m)
OPTION 1 OPTION 2
Time for sound to reach building B : Distance to building B:
Speed distance J Sneed distance 7
peed = - Accept peed =——_ Accept
time _ Ax time ye bt
~ At ~ At
340 =_* 340 =~ v
~ time B t+0,22
X = 340t +74,8...... (i)
time B = ——
340

Time for sound to reach building A :

Distance to building A:

_ 265—-X
340 = time A 265—-X
265-X we =
time A = a0 340 = t v
F ‘ _ X = 265 -340t ...... (ii)
tie BE ene 6 082 340t +74,8=265 -340tv
ae Oe v =
340 340 0,22 t =0,28s
X = 169,9 mv X =169,8mv
OPTION 3
Let the distance from A to P be Y:
distance
Speed =—————_v
time

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### Page 18

5.5 OPTION 1 OPTION 2
dist dist
= = vo
Speed line v Speed time
dist — dist
1500 = -
Distance = 7500 mY Distance = 15000m/2v
=7500mv
Accept: Speed = ast,
i pees time Accept: Speed = er
time
7500
Half-way dist. = —s ¥ 7500
Half- dist. = ———_ v
= 3750mv aa
= 3750mv
5.6 It does not damage the soft tissues of human organs (which could be a
danger in X-rays) VW
OR : Ultrasound has less energy than Gamma Rays or X Raysv¥ ¥
QUESTION 6

me 4
340 == v

Y= 340t
Let the distance from P to B be X:

_ xX
340 =aoa2 Y

X= 340(t+0,22)
X+Y= 265mv

340(t+0,22) + 340t= 265m
t= 0,28s
X= 340(0,28+0,22)

= 170mv

Downloaded from Stanmorephysics.com

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(3)

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### Page 19

6.1 Dowalgacedof casio Stanmaragtiy Sica. Palitle of light that contains

energy.” Y (2 or 0) (2)
6.2.1 -Ultraviolet/UV (radiation) “” (1)
6.2.2 Infrared/IR (light) ¥ (1)
6.3 Gamma rays ¥ (2)
It has the highest frequency/energy ¥
6.4.1 c =ixa ¥ Accept v=fxA
3x10® =2,42x109x AVY Final £0.12 tb
_ inal answer of 0.12 m must be
a een shown, otherwise MAX (1) (2)
6.4.2 Microwaves ¥ (1)
6.5
ay
A
_ 6,63 x 10-34 x 3x 108”
0.3x109 %

(4)
E=6,63x 106 Jv

OR: v=fav :3x10®=f x 0,3x 109%
f =1x 10'8Hzv

E=hf v
E= 6,63 x 10734 x 1x 1018
E=6,63 x 107 Jv

6.6 Increases V¥ (2)
[15]
QUESTION 7
Te The net charge of an isolated system remains constant during any physical
process. YY (2 or 0) (2)
72 To prevent the loss of electrons or charges. ¥
OR To prevent leakage of charges. ¥ (1)

OR To prevent transfer of chargesY

73 Q=nxq, ¥
Q=1,25x10" x -1,6x10°° v

Q=- 2x10 CY (3)

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### Page 20

Ts 4. Downtas dacticfenag or Sisarunairs fakes positigayreharged (than sphere B) ¥

OR Charges are transferred from a negatively charged sphere to a positively
charged sphereY (1)

MARKING CRITERIA

Straight line Vv

eGraph slopes downwards/has negative
gradientY

>

(2)

Stafimorephysies.com

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### Page 21

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POSITIVE MARKING FROM QUESTION 7.3

a+,
2

7.6.1
Q=

AB 3x10°% +(- 210%) y
2
=+5x107CV (3)

POSITIVE MARKING FROM QUESTION 7.3
7.6.2 fiz AQ

qe
OR
_ 5x10" — (-2x10%)v _ 5 x107— 3x 10%v
+ 1,6 x 10°?v -1,6 x 10°?v
= 1,56 x 10’? electrons ¥ = 1,56 x 10" electrons ¥ (3)
[15]

Copyright reserved

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