Physical Sciences Grade 10 P1 Limpopo June 2025 Paper & Memo

Testpapers.co.za LIMPOPO PROVINCIAL GOVERNMENT REPUBLIC OF SOUTH AFRICA DEPARTMENT OF EDUCATION NATIONAL SENIOR CERTIFICATE MARKS: 100 TIME: 2 hours This Question paper consists of 16 pages including the cover page, answer sheet and data sheet.

Ph Testpapers.co.za Limpopo/June 2025 " "NSC INSRUCTIONS AND INFORMATION 1. 10. 11. 12. The question paper consists of EIGHT questions. Answer ALL the questions in the ANSWER BOOK. Answer question 5.3 using the provided graph paper on p. 15. Attach it to your answer book Start EACH question on a NEW page in the ANSWER BOOK. Number the answers correctly ac cd ing to the numbering system used in this You may use appropriate mathematical instruments. You are advised to use the attached DATA SHEETS. Show ALL formulae and substitutions in ALL calculations. Round off your final numerical answers to a minimum of TWO decimal places. Give brief motivations, discussions et cetera where required. Write neatly and legibly. Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC QUESTION 1 Four options are provided 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 (1.1 — 1.8) on the answer book. E.g. 1.9 A 1.1. Pulse A meets Pulse B as they travel in opposite directions along a slinky. After they have crossed over each other, what happens to Pulse A and Pulse B? Pulse A A. Pulse A and P Ise B are ed by each other; they stop moving. Pulse A and Pulse B continue to move in the same direction as they were moving before they met up with each other. C. Pulse A and Pulse B reflect; they move back down the slinky in opposite directions. D. Pulse A and Pulse B continue to interfere with one another. (2) 1.2 Awave of wavelength 3 m is generated by a vibration with a frequency of 20 Hz. What is the period and the speed of this wave? PERIODS (s) SPEED(m.s*) (2) Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC 1.3 Which electromagnetic waves have more energy than visible light? A. B Cc. D microwaves Ultraviolet rays Infrared rays ultrasound (2) 1.4 The speed of sound in air is 330 mzs"'~If the frequency of sound is doubled, A B Cc led. D (2) 1.5 Which of the following are arranged in order of increasing wavelength. A. Microwaves, visible light, x-rays. B. X-rays, visible light, microwaves C. Microwaves, x-rays, visible light D. Visible light, x-rays, microwaves (2) Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC 1.6 Two identical charged spheres, X and Y are made to touch each other and are then separated. Which one of the fol c i able for these two charges? BEFORE T FTER TOUCHING and SEPARATED xX A | +5,2C gained electrons B =36 gained electrons c |-3¢ —71C X lost electrons D_ | +5,2C Neutral X lost electrons 1.7 Consider the following diagram not necessarily identical The reading on Az will becequal $isws A. _ the reading on A1. B half the reading on A1 C. the reading on As minus the reading on A1. D the reading on A1 minus the reading on As. (2) (2) Copyright reserved Please turn over

Ph Testpopers.co.za Limpopo/June 2025 " "NSC 1.8 Which of the following arrangements will result in a total resistance of 4 Q if the resistance of each resistor is 4 Q? A. SCHOO (2) [16] Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC QUESTION 2 (Start on a new page) Two pulses are travelling towards each other along a spring, as shown in the diagram below. The centres of the two pulses meet and cross at point X. 2.1. Which wave property do the two pulses illustrate at point X? (1) 2.2 Name the principle used to answer QUESTION 2.1. (1) 2.3. When the two pulses cross at point X, the resulting amplitude is different from the amplitudes of the individual pulses. 2.3.1 Define the term amplitude. (2) 2.3.2 Calculate the magnitude of the resulting amplitude at X in meters. (3) [7] Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC QUESTION 3 (Start on a new page) 3.1 In-a ripple tank the crest of a wave travels 1, 260 m in 3 seconds and the distance between 21 consecutive crests is 0, 240 m. 3.1.1. Calculate the wavelength of the wave. (2) 3.1.2 Calculate the period of the wave. (5) 3.2 The diagram represents the pattern of waves with frequency 30 Hz, moving from the left to right. Position (m) 3.2.1 Define the term transverse wave. (2) 3.2.2 Label points B and C. (2) 3.2.3. How much time has lapsed while the wave moved from R to T? (2) 3.2.4 Are points R and S on the wave in phase? Explain your answer. (2) 3.2.5 Calculate the speed of the wave. (3) [18] Copyright reserved Please turn over

Ph Testpopers.co.za Limpopo/June 2025 "NSC QUESTION 4 (Start on a new page) The string shown below can be used to demonstrate the 41 (1) 4.2 (1) (1) 4.3 If the dolphin produces sound waves of g by means of calculations, whether the sabe produced By Dolphin can be heard by human ear. (4) The speed of sound in water is 1480 m.s*. Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC 4.4 A motorist of a moving car sees an obstacle on the road ahead when he is at position 1 as indicated in the diagram below. Position 1 is x metres away from the obstacle. He sounds the car hooter while at position 1 and receives an echo 3 seconds later at position 2. The distance between position 1 and position 2 is 300m. Position 2 Obstacle If the speed of sound 3 SHOW BY CALCULATION that the distance between position 2 and t e obstacle is 360m. (5) [12] Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC QUESTION 5 (Start on a new page) A group of learners decide to perform an experiment to determine the relationship between the wavelength and frequency of different sound notes. Specific sound notes are produced using a musical instrument. The frequency of the sound notes is measured and recorded in the table below. Note played by learner Wavelength (m) Frequency (Hz) A 84 B 68 c 9 44 5.1 Write down the inves! ‘ ‘or this experiment. (2) 5.2 Identify the controlled variable. (1) 5.3 able above to draw an accurate ph on page 15. (3) 5.4 rom the graph in QUESTION 5.3? (1) 5.5 at ent of aph. (3) 5.6 : gradient represent? (1) [11] Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC QUESTION 6 (Start on a new page) The three appliances which emit different types of electromagnetic radiation are shown below. Television remote control | Red laser pointer 6.1 Name one characteristic electromagnetic waves unique when compared to other waves. (1) 6.2. Explain how electromagnetic waves originate. (2) 6.3 State the type of electromagnetic radiation that is emitted by: 6.3.1 Television remote control (1) 6.3.2 Laser pointer (1) 6.4 The following table shows several electromagnetic waves and their corresponding wavelengths. Radiation Wavelength(m) X-rays 2,11'<107*9 Ultraviolet light 3,00 x 10-7 Visible light 513socd0r° Se 5 pets - Infrared 4,05 x. Medium — wave radio waves 6, Electromagnetic waves from an unkno' urce | 3 and it is discovered that a photon of this radiation has an energy of 6,63 x 1071? J. Use a calculation to determine what kind of electromagnetic wave this is. (5) Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC [10] QUESTION 7 (Start on a new page) Two small identical spheres, P and R, are suspended on long silk threads, as shown i the sketch below. Sphere P is initially neutral, and the initial charge of R is unknown. 101 electrons. (3) 7.2. State the principle of conservation of charge in words. (2) 7.3. Sphere P is now brought into contact with Sphere R and the two spheres are then separated. Both spheres have a charge of 6,4 uC after they are separated Calculate: 7.3.1. the initial charge on Sphere R. (4) 7.3.2 the number of electrons transferred from sphere P to sphere R. (3) [12] Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC QUESTION 8 (Start on a new page) Study the circuit diagram below. Ignore the resistance of the battery and the wires. Switch § is initially closed. The battery transfers 3 x 10*J of energy for every 2,5 x 10°C that flows through the circuit. @) ; s 8.1 Define the term emf. (2) 8.2 Determine the reading on V1 (3) 8.3. Determine the reading on ammeter At if 3,24 C of charge flows through it in 2 seconds. (3) 8.4 If the reading on ammeter Az is 0,65 A then determine the reading on ammeter As. (1) 8.5 If the total resistance of the circuit is 7,4 Q then determine the resistance of resistor R. (4) Switch S is now OPENED 8.6 What will be the reading on voltmeter V2? (1) [14] TOTAL: 100 Copyright reserved Please turn over

Ph Testpapers.co.za Limpopo/June 2025 " "NSC ANSWER SHEET Name of learner: Question 5.3 4 if h Hi F , if TT : T > 5 i if | 5 a ae Frequency (Hz) Copyright reserved Please turn over

Ph Testpapers.co.za "NSC DATA FOR PHYSICAL SCIENCES GRADE 10 PAPER 1 (PHYSICS) TABLE 1: PHYSICAL CONSTANTS NAME SYMBOL VALUE Acceleration due to gravity g 9,8 m.s? Speed of light in vacuum 3,0 x 108 m.s*t Plank’s constant 6,63 x 104 Js Limpopo/June 2025 Cc h = 1,6 x 107°C 9,11 x 1037 kg Charge on electron 2 Electron mass TABLE 2: FORMULAE WAVES SOUND AND LIG v=fa 4 i es E=hf or/of E=ne ELECTROSTATIC nae e ELECTRIC CIRCUITS Q=IAt R, =R, +R, +... V= Copyright reserved

Testpapers.co.za LIMPOPO PROVINCIAL GOVERNMENT REPUBLIC OF SOUTH AFRICA DEPARTMENT OF EDUCATION NATIONAL -NIOR CERTIFICATE Mn MARKS/PUNTE: 100 These MARKING GUIDELINES consists of 12 pages including the cover page/Hierdie NASIENRIGLYNE bestaan uit 12 bladsye, die voorblad ingesluit.

Testpapers.co.za Marking Guidelines/Nasienriglyne QUESTION 4/VRAAG 1 1.10 BYY ! 12 AVY 1.3. BV¥ 14 Dv 15° BYY 160 AVY 1.7 Dvv 1.8 Cvv Copyright reserved/Kopiereg voorbehou Limpopo DoE/ June 2025 (2) (2) (2) (2) (2) (2) (2) (2) [16] Please turn over/blaai om asb

Testpapers.co.za | Limpopo DoE/ June 2025 " "NSC Marking Guidelines/Nasienriglyne QUESTION 2/VRAAG 2 2.1 Destructive interference// Destruktiewe interferensie (1) 2.2 Principle of superposition of pulses// Beginsel van superposisie van pulse (1) 2.3.4 Amplitude is the maximum disturbance of a particle from its rest (equilibrium) position. /V/ Amplitude is die maksimum versteuring van 'n deeltjie vanaf sy rusposisie (ewewigsposisie). (2 or/of 0) (2) 2.3.2 Amplitude(X) = 8 + (- = 0,02 J (3) [07] QUESTION 3/VRAAG 3 3.1.1 20A=0,240 As -» JV (Any one/enige een) =0.012 mV (2) 3.1.2 Positive marking from question 3.1.1/Positiewe nasien vanaf vraag 3.1.1 a Vv © Bt (5) Copyright reserved/Kopiereg voorbehou Please turn over/blaai om asb

Testpapers.co.za | Limpopo DoE/ June 2025 " "NSC Marking Guidelines/Nasienriglyne 3.2.1 Transverse wave is a wave in which the particles of the medium vibrate at right angles to the direction of motion of the wave. /// 'n Transversale golf is 'n golf waarin die deeltjies van die medium reghoekig met die bewegingsrigting van die golf vibreer. (2 or/of 0) Accept: A transverse wave is a succession of transverse pulses / Aanvaar: 'n Transversale golf is 'n opeenvolging van transversale pulse (2) 3.2.2 B—WavelengthV/B — Golflengte C-Crest V/C - * (2) (2) 3.2.4 No, V because e separated by a complete number of gths. V/ Neeyomde e punte in fase deur 'n volledige aantal ength. // Hulle word nie deur golflengte geskei (2) (3) [18] Copyright reserved/Kopiereg voorbehou Please turn over/blaai om asb

Testpapers.co.za | Limpopo DoE/ June 2025 "NSC Marking Guidelines/Nasienriglyne QUESTION 4/VRAAG 4 4.1 Longitudinal waveV/ Longitudinale golf (1) 4.2.1. P~ Compression V//P - Verdigting (1) 4.2.2. Q@—Wavelength V/ Q - Golflengte (1) 4.3 44 V=fAV 1480 =fx0,05V f = 29600 HzV It cannot be heard sine aangesien dit groter OPTION 1/OPSIE 1 an 20KHzV/ Dit kan nie gehoor word nie, OPTION 2/OPSIE 2 The distance covered in/ Die afstand afgelé in 3s = (2x — 300)mV d vay 340 == x = 660m Distance/afstand = 660 — 300V = 360m Note: If only the answer of 360 m is given without calculations (660 — 300), still award 1 mark./As slegs die antwoord van 360 m gegee is, sonder bewerkings (660 — 300), gee nogsteeds 1 punt At for sound to travel from position 1 to position 2/At vir klank om van posisie 1 na posisie 2 te beweeg. = 340 x 1,058823529V =360m (Do not penalise if a learner round of At to minimum of two decimals./Moenie penaliseer as 'n leerder At tot 'n minimum van twee desimale afrond nie.) Copyright reserved/Kopiereg voorbehou (4) Please turn over/blaai om asb

Testpapers.co.za | Limpopo DoE/ June 2025 " "NSC Marking Guidelines/Nasienriglyne OPTION 3/OPSIE 3 Distance covered/ Afstand afgelé = (300 + 2dv)V dial 7 300+2 340V = 3 NA (5) [12] Copyright reserved/Kopiereg voorbehou Please turn over/blaai om asb

Testpapers.co.za j Limpopo DoE/ June 2025 " "NSC Marking Guidelines/Nasienriglyne QUESTION 5/VRAAG 5 5.1 5.2 5.3 What is the relationship between the wavelength and frequency of different soun notes? /// Wat is die verband tussen die golflengte en frekwensie van verskillende klanknote? OR/OF How does an increase in frequency affect wavelength? / // Hoe beinvioed 'n toename in frekwensie die golflengte? (2) Temperature V (of tl omliggende omge Accept: Instrument/Temperatuur (van die ment (1) Marking criteria/na: Plotting all 3 points slot al 3 punte korrek df Plotting two points correctly/plot twee punte korrek Vv Straight line graph passing through the origin/reguitlyn | V deur die oorsprong (3) 100 7 > Bae eect ‘| A e - 025 0,30 1 - =e” Copyright reserved/Kopiereg voorbehou Please turn over/blaai om asb

Testpapers.co.za | Limpopo DoE/ June 2025 " "NSC Marking Guidelines/Nasienriglyne 5.4 Frequency is inversely proportional to wavelengthV / Frekwensie is omgekeerd eweredig aan golflengte OR/OF Frequency is directly proportional to inverse of wavelength. // Frekwensie is direk eweredig aan die inverse van die golflengte OR/OF As the frequency inc E ength decreases. // Soos die frekwensie toeneem, neem die é (1) 5.5 OR/OF Any other suitable co-ordinates/ Enige ander geskikte kodrdinate (3) 5.6 Speed V (of sound)/Spoed (van klank) (1) [11] Copyright reserved/Kopiereg voorbehou Please turn over/blaai om asb

Testpapers.co.za | Limpopo DoE/ June 2025 " "NSC Marking Guidelines/Nasienriglyne QUESTION 6/VRAAG 6 6.1 6.2 6.3.1 6.3.2 6.4 ANY ONE/ENIGE EEN Wave-particle duality // Dubbele aard van deeltjies No need for a medium to propagate’/ Geen medium nodig om voort te plant nie Speed of EM waves are constant at 3 x 108m.s” in a vacuumV/ Die spoea van elektromagnetiese golwe is konstant teen 3 x 108 m.s* in 'n vakuum. Oscillation between alternating accelerating charges cause magnetic wavesV/ Ossille fwisselende versnellende ladings veroorsaak magnetiese gc (1) Originate from an act charge. /// Ontstaan uit 'n versnellende elektriese lading. " (2) Infrared radiation/ /Infre (1) Visible lightV/Sigbare lig (1) — he E= aw -19 7 — 6,63x10~34x3x108 6,63 x 10 v= a A= 3,00 x 10-7 mV :. Ultraviolet light /Ultraviolet lig (5) [10] Copyright reserved/Kopiereg voorbehou Please turn over/blaai om asb

Testpapers.co.za | Limpopo DoE/ June 2025 " "NSC Marking Guidelines/Nasienriglyne QUESTION 7/VRAAG 7 7.1 Q=nae V =2x10'3 x (-1,6 x 10719) V =~-3,2 x 10-6 CV (3) 7.2 The net charge of an isolated system remains constant during any physical 7.3.1 7.3.2 process. /// Die netto lading van 'n geisoleerde stelsel bly konstant tydens enige fisiese proses me | - (2) POSITIVE MARKII VRAAG 7.1 ON 7.1/POSITIEWE NASIEN VANAF Q= arty 64x 10°o¥ = 4 Q, = 1,6 x 10-5CV (4) POSITIVE MARKING FROM QUESTION 7.3.1/POSITIEWE NASIEN VANAF VRAAG 7.3.1 OPTION 1/OPSIE1 AQ =nqeV 64 x 107° — 1,6 x 10-5 =n x (—1,6 x 10719) V n=6x 103 electronsV (3) [12] Copyright reserved/Kopiereg voorbehou Please turn over/blaai om asb

Testpapers.co.za | Limpopo DoE/ June 2025 " "NSC Marking Guidelines/Nasienriglyne QUESTION 8/VRAAG 8 8.1 _ Emfis the work done per unit charge by the source (battery). /// Emk is die werk wat per eenheidslading deur die bron (battery) verrig word. (2) 8.2 We = (3) 8.3 h= oy (3) 8.4 POSITIVE MARKING FROM QUESTION 8.3/POSITIEWE NASIEN VANAF VRAAG 8.3 A3 = 1,62 — 0,65 = 0,97 AV (1) 8.5 OPTION 1/OPSIE 1 1 1 = 4 = + ae arry over mark in multi-step question. Award the ark for substitution of Rp, even if wrongly alculated. BUT then the (wrong) answer of Rr is jot marked. / Oordrag punt in multi-stap vraag. ee die punt vir die substitusie van Rp, al is dit erkeerdelik uityewerk, MAAR dan word die erkeerde) antwoord van RR nie gemerk nie. Copyright reserved/Kopiereg voorbehou Please turn over/blaai om asb

Testpapers.co.za | Limpopo DoE/ June 2025 " "NSC Marking Guidelines/Nasienriglyne OPTION 2/OPSIE 2 (POSITIVE MARKING FROM QUESTION 8.3/POSITIEWE NASIEN VANAF VRAAG 8.3) Vi=12V V2=0,65 X 6 =3,9V Vee P, =8,1V R=“v _ 81 1,62 =50V @ 8.6 V2=0VV/zero (1) [14] TOTALITOTAAL = 100 Copyright reserved/Kopiereg voorbehou