Physical Sciences Grade 10 NW March Test 2026 Paper & Memo

Downloaded from Stanmorephysics.com education Department: Education North West Provincial Government REPUBLIC OF SOUTH AFRICA PROVINCIAL TASK " PHYSICAL SCIENCES " " 16 MARCH 2026 k Marks: 100 Time: 2 HOURS This question paper consists of 11 pages, including a data sheet. Copyright reserved Please turn over

Phypomiveeded from Stanmorephysics.com NW/March 2026 Grade INSTRUCTIONS AND INFORMATION Read the following instructions carefully before answering the questions. 4. 10. 11. This question paper consists of SEVEN (7) questions. Answer ALL 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, e.g. between QUESTION 2.1 and QUESTION 2.2. You may use a non-programmable calculator. You may use appropriate mates) You are advised to use the attached Pi Show ALL formulae and substitution LL calculations. Round off your FINAL numerical answers to a minimum of TWO decimal places. Give brief motivations, discussions, etc. where required. Write neatly and legibly. Copyright reserved Please turn over

Phypomiveeded from Stanmorephysics.com NW/March 2026 rade QUESTION 1: MULTIPLE-CHOICE QUESTIONS Various options are provided as possible answers to the following questions. Choose the answer and write only the letter (A—D) next to the question numbers (1.1:to 1.7) in the ANSWER BOOK, e.g. 1.8 E. 1.1 A crest is... A a single disturbance in a medium. B highest point in a wave. Cc the lowest point in a wave. D the distance between two points in a wave. (2) 1.2 The transverse wave, shown in the diagram below, moves from left to right. In which direction is particle A moving? ——_—> Direction of motion A Up B Down Cc Left D Right (2) 1.3 What is the term used for the time taken by a wave to complete one complete wave pulse? A Amplitude B Wavelength [e} Frequency D Period (2) Copyright reserved Please turn over

Phypomiveeded from Stanmorephysics.com NW/March 2026 rade 1.4 The pitch of a musical sound depends on the sound wave’s... A wavelength. B frequency. Cc speed. D amplitude. (2) 1.5 The electromagnetic waves with the lowest energy are... A x-rays. B microwaves. Cc gamma rays. D radio waves. (2) 1.6 A glass rod is charged positively b th a silk cloth. During this process... | A electrons are transferred fr red to the silk cloth. B electrons are transferred from the silk cloth to the glass rod. Cc protons are transferred from the silk cloth to the glass rod. D protons are transferred from the glass rod to the silk cloth. (2) 1.4 10 C of charge passes a point in a circuit in 2 minutes. The current in the circuit is: A 0,083 A B 0,2A Cc 5A D 12A (2) [14] Copyright reserved Please turn over

Phypomiveeded from Stanmorephysics.com NW/March 2026 rade QUESTION 2 (Start on a new page.) Two transverse pulses, A and B, approach a point, P, in the same medium. Pulse B is travelling to the LEFT and has an amplitude three times larger than that of pulse A, both pulses have a wavelength of 5 cm. The pulses experience DESTRUCTIVE interference at point P where they form a trough with an amplitude of 6 cm. 2.1 NAME and STATE the principle used to determine the resultant amplitude of the pulse formed at point P. (3) 2.2 Calculate the amplitude of pulse B before it reaches point P. (3) 2.3 Write down the wavelength of the pulse A at point P. (1) 2.4 Draw the pulses after they pass point P. Label each pulse clearly. (3) i 2.5 Consider the following wave and answer the questions that follow. B E as: 7 p@----\------#------------ Direction H = of motion 2.5.1 Distinguish between a pulse and a wave. (4) 2.5.2 With reference to the diagram of the wave shown above, write down ‘the letter(s) that indicate: a) Amplitude (1) b) One wavelength from position B (1) c) A point that is COMPLETELY out of phase with point E (1) d) Two points that are in phase with point A " ‘1 Copyright reserved Please turn over

Phypomiveeded from Stanmorephysics.com NW/March 2026 rade QUESTION 3 (Start on a new page.) Water waves can be made by vibrating a wooden bar up and down in a tray of water. The bar moves up and down at a frequency of 5 Hz. 48cm peeotaptie bae | ae 3:1 How many complete waves are there in 48 cm? (1) 3.2 Are the water waves longitudinal or transverse? Explain briefly. (3) 3.3 Calculate the period of the waves. (3) (4) [11] 3.4 Calculate the speed of the wa Copyright reserved Please turn over

Phypowsetoaded from Stanmorephysics.com NW/March 2026 Grade QUESTION 4 (Start on a new page.) The diagram below shows a series of compressions and rarefactions travelling through a slinky spring. The positions of the compressions and rarefactions is shown every 0,25 s. 1.8m SU TET Ue THTETEVETTT THEE MLV ITT i 4.1 Define the term rarefaction. is (2) 4.2 Determine the period of this wave. (2) 4.3 Determine the wavelength of the wave. (1) 4.4 How far did the first compression travel in 1,5 s? (1) 4.5 Calculate the speed of this wave. Ss Copyright reserved Please turn over

Phypomiveeded from Stanmorephysics.com NW/March 2026 rade QUESTION 5 (Start on a new page.) A wave source on a ship sends out sound waves of frequency 25 kHz to the bottom of the sea. A receiver on the ship detects these waves a short while later. The speed of sound in water is 1 500 m:s™. 5.1 Describe an echo. (2) 5.2 Calculate the wavelength of these sound waves. (3) 5.3. Can these sound waves be heard by the human ear? Give a reason. (2) 5.4 Calculate the depth of the water beneath the ship if the waves are detected by the receiver 10 seconds after being emitted. (4) Consider the electromagnetic spectrum below and answer the questions that follow. ( Radio | Micro | Infrared A | Ultraviolet} B Gamma waves | waves rays 5.5 Define the term photon. 7 (2) 5.6 Give the NAMES of electromagnetic radiations: 5.6.1 A (1) 5.6.2 B (1) 5.7 Calculate the energy of a photon of radiation A, with a frequency of 2,5 x 101° Hz. (3) 5.8 Explain why electromagnetic radiation B is best suitable to scan bones and not radiation A. (2) 5.9 Calculate the wavelength of radiation B if its photons have an energy of 7,25x1073 J, (4) [24] Copyright reserved Please turn over

Phypomiveeded from Stanmorephysics.com NW/March 2026 rade QUESTION 6 (Start on a new page.) Two identical spheres, X and Y, on an insulated surface, carry charges of -5,3x10° C and +4,7x10° C respectively. The spheres are brought into contact with each other and then separated. 6.1 State the principle of charge quantisation. (2) 6.2 Calculate the number of excess electrons in sphere X before contact. (3) 6.3 Give a reason why we place charges spheres on insulated stands. (1) 6.4 Will the electrons be transferred from X to Y or from Y to X? Give a reason for the answer. (2) 6.5 Calculate the charge on each sphere after they have moved away from each other. (3) 6.6 Calculate the number of electrons ta red | one sphere to the other during contact. , (3) [14] Copyright reserved Please turn over

Phypomiveeded from Stanmorephysics.com NW/March 2026 rade QUESTION 7 (Start on a new page.) Consider the circuit below. The reading on voltmeter V; is 6 V. The ammeter reading is 1,5 A. ©) I. | Ro lps 7.1. Define the term potential difference. (2) s through Ra. 7.2 In 2 minutes, a charge of unknown magnitud 1 V2 if J of energy is used. (5) Calculate the magnitude of the ri 7.3 Acharge of 18 C flows through a batte! alculate the current passing through the battery. (3) [10] TOTAL: 100 Copyright reserved

Phyponeoaded from Stanmorephysics.com Grade DATA FOR PHYSICAL SCIENCES GRADE 10 PAPER 1 (PHYSICS) GEGEWENS VIR FISIESE WETENSKAPPE VRAESTEL 1 (FISIKA) TABLE 1: PHYSICAL CONSTANTS/TABLE/TABEL 1: FISIESE KONSTANTES NAME/NAAM SYMBOL/SIMBOOL VALUE/WAARDE Acceleration due to gravity g 9,8 m-s? Swaartekragversnelling Speed of light in a vacuum c 3,0 x 108 m-s*t Spoed van lig in 'n vakuum Planck's constant h 6,63 x 1034 J's Planck se konstante Charge on electron e 1,6 x 10°79 C Lading op elektron Electron mass Me 9,11 x 10°" kg Elektronmassa WAVES, SOUND AND LIGHT/GOLWE, KLANK EN LIG v=fa Tz f c E=hf orlof E= he ELECTROSTATICS/ELEKTROSTATIKA Q Q,+Q n=— or/of == q=—1 2 e Ge 2 ELECTRIC CIRCUITS/ELEKTRIESE STROOMBANE Vv Q=IlAt Rar R, =R,+R, +... Ww 1.1.1 - —=_ ++... q R, R, R, Copyright reserved NW/March 2026

Downloaded from Stanmorephysics.com education Department: Education North West Provincial Government REPUBLIC OF SOUTH AFRICA ¢ : PHYSICAL SCIENCES - ‘ FISIESE WETENSKAPPE " : 16 MARCH/MAART 2026 " t ; MARKING GUIDELINES/NASIENRIGL YNE Z Marks/Punte: 100 These marking guidelines consists of 6 pages. Hierdie nasienriglyne bestaan uit 6 bladsye. Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asseblief

Phydipo mtehoesahsicke freammskéotanmorephysizs.com Grade/Graad 10-Marking guidelines/Nasienriglyne QUESTION/VRAAG 1 11 “Boovv 1.2 Bo ovv 13D. vv 14. Bovv 15 D vv 16 A vv 17 A vv QUESTION/VRAAG 2 eit 2.2 Marking criteria/Nasienkriteria: af. If any of the underlined key words/phrases in the correct context is omitted deduct 1 mark. /indien enige van die onderstreepte sleutelwoorde/frases in die korrekte konteks uitgelaat is, trek 1 punt Principle of superposition.” The algebraic sum of the amplitudes of two pulsesY that occupy the same space at the same time.v Beginsel van superposisie. Die algebraiese som van die amplitudes van twee pulse wat dieselfde ruimte op dieselfde tyd beslaan OPTION/OPSIE 1 OPTION/OPSIE 2 Let the amplitude of Pulse A=x The amplitude of Pulse B = -3x x + (-3x) “= -6¥ x=3cm amplitude of Pulse B= 3(x) = 3(3) =9cmv Laat die amplitude van Puls A=x Die amplitude van Puls B = -3x X + (-3x) v= -6~ x=3cm amplitude van Puls B= 3(x) = 3(3) =9cm~ Let the amplitude of Pulse Aaa x The amplitude of Pulse B= -x 1 =x + (=x) V= -6 V 3 (-x) x=9cmv Laat die amplitude van Puls Aaxa Die amplitude van Puls B= -x aK + (-x) V=-6 v 1 =9comv— = omw, Copyright reserved/Kopiereg voorbehou NW/March/Maart 2026 (2) (2) (2) (2) (2) (2) (2) [14] (3) (3) Please turn over/Blaai om asseblief

Physio Beodeicse ireaemkéanmorephysies.com NW/March/Maart 2026 Grade/Graad 10-Marking guidelines/Nasienriglyne 2.3 5cemv (1) 2.4 CRITERIA/Kriteria Pulse A drawn as crest and pulse B drawn as trough with labels v Puls A geteken as ‘n kruin en puls B geteken as ‘n trog met byskrifte. Pulse B has a greater amplitude than pulse A v Puls B het ‘n groter amplitude as puls A Pulse B drawn left of pulse A / Puls B is links van puls A 7 — 8B a (3) a 2.5.1 A pulse is a single disturbance ~¥ whereas a wave is a series of disturbances. v ¥ - ‘n Puls as ‘'n enkele steuring in ‘n medium, fterwyl ‘n golf ‘n reeks versteurings is. (4) 2.5.2 a) IBorloflHv ee (1) b) Ev (1) c) Cv (1) d) Dand/enF v (1) [18] Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asseblief

Phydpo aetehoesatsicke freaamskdpitanmorephysies.com NW/March/Maart 2026 Grade/Graad 10-Marking guidelines/Nasienriglyne QUESTION/VRAAG 3 31 6v (1) 3.2 Transverse”. The particles of the medium vibrate perpendicular to the direction of motion of the wave.v ¥ Transversale. Die deeltjies van die medium vibreer reghoekig met die __ bewegingsrigting van die golf. (3) 3. f = 6) =0,2 sv (3) 3.4 OPTION/OPSIE 1 OPTION/OPSIE 2 ~ distance/afstand/d /, v= fx Av > time/tyd/t v=5 vx 0.08 v v=0,4 mstv gi 0,48 v 6x0,2 ¥ v=0,4m-s'¥ : , (4) orepl [11] QUESTION/VRAAG 4 4.1 A rarefaction is a region of low pressure (in a longitudinal wave).v ¥ ‘n Verdigting is 'n gebied van hoé druk (in 'n longitudinale golf). (2 or/of 0) (2) 42 0,25x2 =05svv (One complete wavelength is generated at 0,5 s from the middle of one compression to the middle of the next successive compression/ Een volledige golflengte is by 0,5 s gegenereer vanaf die middel van een verdigting tot die middel van die volgende opeenvolgende verdigting) OR/OF Period/Periode = tet number of waves/aantal golwe . . 1,5 Period/Periode = a v =0,5sv¥ (2) 43 06mv (1) 44 1,8mv (1) Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asseblief

Physio BHeodeicse treaemkéanmorephysiss.com NW/March/Maart 2026 Grade/Graad 10-Marking guidelines/Nasienriglyne 4.5 OPTION/OPSIE 1 OPTION/OPSIE 2 _ distance/afstand He a “> timeltyd rr 1 ios 22s =1,2ms'v¥ vefaiv =2x06v¥ =1,2m:stv (3) [9] QUESTION/VRAAG 5 5.1 Reflection of sound waves.v¥ ¥ (2) 5.2 v=fxAv 1500 = 25 000 x Av A= 0,06 mv (3) ' by 5.3 No/Neev : The frequency is beyond range for the ian ear./Die frekwensie is buite die hoorbare klank vir die menslike oor. ~ OR/OF Frequency is greater than 20 kHz/Frekwensie is groter as 20 kHz (2) 5.4 distance/afstand = Speed/Spoed ‘imeltyd distance/afstand 1500 v = sv. distance/afstand = 7500 m ¥ (4) 5.5 Aphoton is a quantum/packet of energy found in light. Vv“ ‘n Foton is 'n kwantum/pakkie energie wat in lig voorkom. (2 orlof0) (2) 5.6.1 A: Visible light/Sigbare lig V (1) 5.6.2 B: X-rays/X-strale V (1) 5.7 E=hfv = (6,63 x 10°) x (2,5 x 10") v =1,66x 10°77 Jv (3) Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asseblief

Physio Befoasdeicse treaemkéanmorephysies.com NW/March/Maart 2026 Grade/Graad 10-Marking guidelines/Nasienriglyne 5.8 Radiation B has a higher frequency/energyY hence a higher penetrating ability. Straling B het 'n hoér frekwensie/energie en dus 'n hoér penetrasievermoé. OR/OF X-rays are absorbed by bones to appear bright white v but visible light is deflected by soft tissues of the body X-strale word deur bene geabsorbeer om helder wit te lyk, maar sigbare lig word deur sagte weefsels van die liggaam weerkaats. (2) 5.9 aft, at 7.25% 19-18 v7 = x10 me (3 x 108) v A= 2,74 x 10°73 mv (4) [24] QUESTION/VRAAG 6 3 me, 6.1 All charges in the universe consists of of one electron. VV Alle ladings in die heelal bestaan ull lgetalveelvoud van die lading op een elektron. (2 orlof 0) (2) 62 44 e — 5:3*10° -1,6 x10"? = 3,3125 x 1013 electrons/elektrone V (3) 6.3 To prevent the loss of electrons or charges /Om die verlies van elektrone of ladings te voorkom. ¥ OR/OF To prevent leakage of charges./Om lekkasie van ladings te voorkom. (1) 6.4 Xto/naY v X has excess electrons./het ‘n oormaat elektrone ¥ (2) 6.5 6x om Qy _47 x10 Hes x10°) y =-3x107CV (3) Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asseblief

Phydipo patehoesahsiche freaamskéotanmorephysics.com Grade/Graad 10-Marking guidelines/Nasienriglyne 6.6 -POSITIVE MARKING FROM QUESTION 6.5/POSITIEWE NASIEN VANAF VRAAG 6.5 OPTION/OPSIE 1 OPTION/OPSIE 2 AQ= -3 x 107 — (-5,3 x 10%) V AQ= (- 3 x 107) —4,7 x 108 V =5x 10°C =-5x 10°C a _g n=- n=- “ee e Xe 5 x10°° - -5 «10° 16x10" -1,6 x10" n= 3,125 x 10'° electrons/ n= 3,125 x 10’? electrons/ elektrone ¥ elektrone V QUESTION/VRAAG 7 7.1 The energy transferred per unit electric charge flowing through it. vv Die energie oorgedra per eenheidslading wat daardeur vioei. (2 orlof 0) 72 28, At 7.3 Copyright reserved/Kopiereg voorbehou TOTALITOTAAL: NW/March/Maart 2026 (3) [14] (5) (3) [10] 100