Physical Sciences Grade 10 LP March Test 2026 Paper & Memo

Downloaded from Stanmorephysics.com LIMPOPO. ~~ PROVINCIAL GOVERNMENT REPUBLIC OF SOUTH AFRICA PHYSICAL SCIENCES CONTROL TEST 1 18 MARCH 2026 MARKS: 100 DURATION: 2 HOURS This question paper consists of fourteen (14) pages including an information sheet. Copyright reserved Please turn over

Downloaded from Stanmorephysics.com Physical Sciences/Gr 10 2 LDoE/March 2026 INSTRUCTIONS AND INFORMATION 1. 2. 3. 10. 11. 2. Copyright reserved Answer ALL your question in your answer book This question paper consists of eight questions Start EACH question on a NEW page in the ANSWER BOOK Number the answers correctly acco e NUmbering system used in this question paper Leave ONE line between two su e een QUESTION 2.1 and QUESTION 2.2. You may use a non-programmable ¢ You may use appropriate mathematical instrumer Show ALL formulae and substitutions in ALL calculations. Round off your FINAL numerical answers to a minimum of TWO decimal places. Give brief motivation, discussions, etc. where required. You are advised to use the attached DATA SHEETS Write neatly and legibly Please turn over

Downloaded from Stanmorephysics.com PhysiéatSciences/Gr 10 3 LDoE/March 2026 QUESTION 1; MULTIPLE OF CHOICE QUESTIONS Various options are provided as possible with 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 numbers (1.1 to 1.7) in the ANSWER BOOK, e.g. 1.8 E 1.1 Asingle disturbance in a medium is called A. Transverse wave B. Amplitude C, Pulse D. Longitudinal wave (2) 1.2 The diagram below shows a wave pattern produced on a slinky spring. g, compare the positions of points A, B, and type of wave? POINTA POINT B TYPE OF WAVE A. Rarefaction Compression Transverse B. | Compression Rarefaction Longitudinal C. | Rarefaction Rarefaction Transverse D. | Compression Compression Longitudinal (2) Copyright reserved Please turn over

Downloaded from Stanmore Physical Sciences/Gr 10 nnn a longitudinal wave, such as a sound wave traveling through air, how a] do the particles of the medium move in relation to the direction of the ~~ wave's motion Hahmorephysics.com [iimtlidaialiatsd 10 . The particles vibrate perpendicular (at 90°) to the direction of the wave. B. The particles move in a circular motion as the wave passes. C. The particles vibrate parallel to the direction of the wave. D. The particles move permanently from the source to the listener. (2) 1.4. An equipment used to examine bones of a patient uses a certain type of electromatic radiation. Which one of the radiations is used: A. X Rays B. Radio waves C. Microwaves . Gamma rays (2) influence the energy of a (2) B. Electrons are lost C. Electrons are gained D. Protons are gained (2) it Please turn over

Downloaded from Stanmorephysics.com Physical Sciences/Gr 10 5 LDoE/March 2026 4.7. Which statement correctly describes the difference between the emf of a battery and the potential difference (V) measured across its terminals when the battery is connected to a working circuit? A. Emf is the energy provided per coulomb of charge when no current is flowing, while potential difference is the energy transferred per coulomb when the circuit is closed. " a” B. Emfis measured in Amperes (A in Volts (V). rence is measured C. Emfis the work done to move a ¢ xternal circuit only, while potential difference is the w e entire circuit. D. Emf is always smaller than the a e because of the resistance of the wires. (2) [14] Copyright reserved Please turn over

Downloaded from Stanmorephysics.com Physical Sciences/Gr 10 6 LDoE/March 2026 f The two pulses meet at point X and the resulting amplitude is shown below 2.1. Define the princ jon. (2) 2.2 Write down the ty, | 3 4 (3) 2.3 In which direction (' e after the two pulses = (1) pass each other? 2.4 Determine the amplitude of pulse W. (2) [08] Copyright reserved Please turn over

Downloaded from Stanmorephysics.com 7 LDoE/March 2026 n d 9 ram below represents a water wave moving from left to right. The time between ‘two consecutive crests is 0,5 s. Direction of motion ee —— (1) (1) 3.3. Define the term wavelength (2) 3.4 Determine the wavelength of the wave. (3) 3.5 Write down TWO points on the wave above that are in phase (1) 3.6 How many waves are represented in the diagram (1) 3.7 Calculate: 3.7.1 Frequency of the wave (3) 3.7.2 The speed of the wave (3) [15] Copyright reserved Please turn over

Downloaded from Stanmorephysics.com Physical Sciences/Gr 10 8 LDoE/March 2026 QUESTION 4 A learner uses a slinky spring to produce a wave pattern below as shown in the diagram below. A longitudinal wave in the slinky has a cor sompression distance of 6 m as shown below. It takes one complete wave 2 s to pi (2) ompression and rarefaction. (4) the wave. (3) [09] Please turn over Copyright reserved

Downloaded from Stanmorephysics.com Physical Sciences/Gr 10 9 LDoE/March 2026 QUESTION 5 The earners in grade 10 conducted an experiment to investigate the effect of temperature on the speed of sound. One of the learners blew a whistle, while another learner, 75 m away recorded the time travelled by the sound. The experiments were repeated at different temperatures at different times of the day. They recorded their findings in the table below: Temperature(°C) Time(s) 5 0,250 10 0,240 15 0,238 20 0,237 25 0,236 Sis For this investigation, write down the: 5.1.1. Controlled variable (1) 5.1.2. Dependent variable (1) 5.1.3. Investigative question (2) Copyright reserved Please turn over

Downloaded from Stanmorephysics.com Physical Sciences/Gr 10 10 LDoE/March 2026 5.2. Calculate the speed of sound at 25°C (3) 5.3; Consider the following diagrams that represent sound waves as shown on an oscilloscope: 5.3.1. Identify the wave with higher pitch. Explain your answer. (2) 5.3.2. Identify the wave that produces the loudest sound (1) 5.4, A bat flying in a dark cave emits an ultrasonic pulse to locate a moth. The bat receives an echo 0,08 seconds after emitting the sound. Assume the speed of sound in the cave is 340 m.s 5.4.1. Define ultrasound. (2) 5.4.2 Calculate the distance between the bat and the moth. (3) [15] Copyright reserved Please turn over re

Downloaded from Stanmorephysics.com Physical Sciences/Gr 10 11 LDoE/March 2026 QUESTION 6 Consider the diagrams of different electromagnetic radiation and answer the questions that follow: Microwave Gamma rays 6.1. Explain the dual nature of electromagnetic radiation. (2) 6.2. What is the source of electromagnetic wave? (1) 6.3. List two properties of electromagnetic waves. (2) 6.4. Give the type of electromagnetic waves that are used in 6.4.1. TV remote (1) (1) 6.5. Write down one use of Gamma rays in the health industry. (1) 6.4.2. Cell phone 6.6. Aphoton has a wavelength of 850 nm 6.6.1. Define the term photon. (2) 6.6.2. Calculate the energy of this photon. (4) [14] Copyright reserved Please turn over

Downloaded from Stanmorephysics.com Physical. Sciences/Gr 10 12 LDoE/March 2026 QUESTION 7 Two identical spheres, V and L are placed on an insulated surface. They carry charges of -5nC and 9 nC respectively. The spheres are bought into contact. manmorepnysiesicom 7.1 Explain why the spheres are placed on insulated stands. (1) 2 State the principle of conservation of charge. (2) 7.3 Which one of the two spheres will gain electrons? (1) 7.4 Calculate the following: 7.4.1 new charge on sphere V after contact (3) 7.4.2 the amount of charge transferred (2) 7.4.3 the number of electrons transferred (3) 75 Write down the physics principle used to respond to question 7.4.3 (1) [13] Copyright reserved Please turn over

Downloaded from Stanmorephysics.com Physical Sciences/Gr 10 13 LDoE/March 2026 QUESTION 8 You are given the following materials to construct an electric circuit: Wires, two cells, voltmeter, ammeter, resistor 8.1 Draw a labeled electric circuit am to show.how you will use all the materials to construct a work’ (4) 8.2 A battery with an emf of 12 V is co 1 it. Current strength of 0,5 A flows through the 0 sé€conds. 8.2.1 Define the term current stre! (2) Calculate the following: 8.2.2 The total amount of charge passing through the circuit in 120 seconds (3) 8.2.3 The total energy transferred by the battery to the charges during this time. (3) [12] TOTAL: 100 Copyright reserved Please turn over

Downloaded from Stanmorephysics.com Physical Sciences/Gr 10 14 LDoE/March 2026 DATA FOR PHYSICAL SCIENCES GRADE 10 PAPER 1 (PHYSICS) TABLE 1: PHYSICAL CONSTANTS NAME SYMBOL VALUE Acceleration due to gravity 9,8 ms2 Speed of light in a vacuum 3,0 x 108 m:s"t Planck's constant 6,63 x 1074 Js Charge on electron -1,6 x 10°2.C Electron mass 9,11 x 10°" kg v=fa T= ; E=HF oriof Bal ELECTROSTATICS n= Q Q =2+ e oe ELECTRIC CIRCUITS/ELEKTRIESE STROOMBANE ; Q=l At R, R w R,=R,+R2+- me Copyright reserved

Downloaded from Stanmorephysics.com LIMPOPO PROVINCIAL GOVERNMENT REPUBLIC OF SOUTH AFRICA DEPARTMENT OF EDUCATION GRADE/GRAAD 10 MARKS/PUNTE — : 100 This marking guideline consists of 7 pages/Hierdie nasienriglyne bestaan uit 7 bladsye Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asb

Oowntoaded: from Stanmorephysics.com LDoE/March 2026 Marking Guidelines/Nasienriglyne QUESTION 1: MULTIPLE OF CHOICE QUESTIONS/VRAAG 1: MEERVOUDIGE KEUSE VRAE 1.1 Cvv (2) 1.2 BY v (2) ‘ie cvv a (2) 1.4 AvY (2) 15 Cvy ofl (2) 1.6 Cvv (2) a1 AvY (2) [14] QUESTION 2/VRAAG 2 2.1. The algebraic sum of the amplitudes of two pulses that occupy the same space at the same time. “ v/ Die algebraiese som van die amplitudes van twee pulse wat dieselfde ruimte op dieselfde tyd beset (2) 2.2 Destructive interference “/ Destruktiewe interferensie The crest of one pulse from the left overlaps with the trough from the right, resulting in a pulse of reduced amplitude. v “/ Die kruin van een puls van links oorvieuel met die trog van regs, wat lei tot 'n puls van verminderde amplitude. (3) 2.3 Right“/regs (1) 2.4 W+(-8) = —4v W =4cmv (2) [8] Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asb

Oovntoaded from Stanmorephysics.com LDoE/March 2026 1e} Marking Guidelines/Nasienriglyne QUESTION 3/VRAAG 3 3.1. Transverse wavev/ Transversale golf (1) 3.2. 1,5 mv (1) =o The distance between two succ! twee opeenvolgende punte in fé ive points in.phase v v/ Die afstand tussen (2) 3.4. _ distance number of waves v ale ll _ mv (2) 3.5. Aand/en EY OR/OF D and/en FY (1) 3.6. 2,5/ 2 waves/golwev (1) 3.7. (3) G FROM 3.4 AND 3.7.1/POSITIEWE NASIEN (3) [15] Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asb

Oowntoaded: from Stanmorephysics.com LDoE/March 2026 Marking Guidelines/Nasienriglyne QUESTION 4/VRAAG 4 4.1. Awave in which the particles of the medium vibrate parallel to the direction of motion of the wave. v v/ 'n Golf waarin die deeltjies van die medium parallel met die bewegingsrigting van die golf vibreer (2) 4.2. Compression is a region of high pressure in longitudinal wave. vv/ Verdigting is 'n gebied van hoé ale golf Rarefaction is the region of low pressure in tudinal wave. Vv v// Verdunning is die gebied van lae dru longitudinale golf (4) 4.3. _ Distance af stand v= - fox Time tyd = e797 2 =3ms lv (3) [9] QUESTION 5/VRAAG 5 5.1. 5.1.1 Distance travelled by the soundv/ Afstand wat deur die klank afgelé word (1) 5.1.2 The speed of soundv ./ Die spoed van klank Accept: The time taken for sound to travelv/ Aanvaar: Die tyd wat dit neem vir klank om te afstand af te lé (1) 5.1.1. How does temperature affect speed of sound in air? vv OR What is the effect of temperature on the speed of sound in air? vv (2) afstand 5.2 speed = ae /spoed = _ = BEF 0,236, = 317,797 m.s-1¥ (3) Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asb

Oowntoaded: from Stanmorephysics.com 5.3 5.4 Marking Guidelines/Nasienriglyne 5.3.1 Wave Av /golfA It has higher frequency~/ Dit het 'n hoér frekwensie 5.3.2 Wave Av/ golfA % 5.4.1 It is a sound with frequentey h her than 20 kHz up to about 100 kHzvv / Dit is 'n klank met 'n frekwen. é kHz tot ongeveer 100 kHz 5.4.2 Time taken for sound waves - neem vir klankgolwe om na di el towards the moth / Tyd wat dit of te beweeg: = 008y 2 =0,04 m Distance = speed x time /afstand = spoed x tyd = 340 x 0,04 V¥ = 13,6mv QUESTION 6/VRAAG 6 6.1. 6.2. 6.3. 6.4. 6.5. Copyright reserved/Kopiereg voorbehou Electromagnetic radiation can best be explained as wave nature and as a particle naturev v/ Elektromagnetiese straling kan die beste verduidelik word as golfaard en as.'n deeltjieaard Acceleration of chargesv/ Versnelling van ladings - Can travel through a vacuum”/ Kan deur 'n vakuum beweeg - Have a speed of 3x 10 ®m.s~!v/ Het 'n spoed van 3x 10 ®m.s~1 6.4.1. TV remote: Infrared waves”/ TV-afstandbeheer: Infrarooi golwe 6.4.2. Cellphone: Radio wavesv/ Selfoon: Radiogolwe Treatment of cancer”/ Behandeling van kanker LDoE/March 2026 (2) (1) (2) (3) [15] (2) (1) (2) (1) (1) Please turn over/Blaai om asb

Oowntoaded: from Stanmorephysics.com LDoE/March 2026 Marking Guidelines/Nasienriglyne 6.6. 6.6.1 Photon is a packet of energy found in lightv “/ Foton is 'n pakkie energie wat in lig voorkom (2) 6.6.2E=“v x10°34)(3x108 4 _ (6.6310 Je 10 Dig i 850x10" ™ \aee E=2,34x107 jv | (4) yi [14] QUESTION 7/VRAAG 7 ae TAs To prevent charges from leaking¥/ Om te verhoed dat ladings lek (1) 2. The net charge of an isolated system remains constant during any physical process. Yv/ Die netto lading van 'n geisoleerde stelsel bly konstant tydens enige fisiese proses (2) race Sphere LY/Sfeer L (1) 74 7.4.1 Quew = 2v = (-5x107)+(9x10™) 2 =2x10-°CV (3) 7.4.2 POSITIVE MARKING FROM 7.4.1/ POSITIEWE NASIEN VANAF 7.4.1 AQ = Qnew — Qinitiat =2x10-°-(-5 x 107°) Vv =7x 10-°¥ (2) 7.4.3 POSITIVE MARKING FROM 7.4.2/ POSITIEWE NASIEN VANAF 7.4.2 a ay e __ 1x ie ~~ 16a = 4,375 x 101° (electrons/elekrone) ¥ (3) 7.5 Charge quantization”/ Ladingkwantisering (1) [13] Copyright reserved/Kopiereg voorbehou Please turn over/Blaai om asb

Qowntoaded: from Stanmorephysics.com LDoE/March 2026 Marking Guidelines/Nasienriglyne QUESTION 8/VRAAG 8 8.1 | L " | Battery 4 I TAD nenrmever Conducting wire /Geleidinsdraad Marking criteria/Nasien kriteria Cells connected correctly/ Selle korrek gekoppel v Voltmeter connected across the resistor/ battery/ Voltmeter gekoppel v oor die weerstand/battery Ammeter connected correctly/ Ampéremeter korrek gekoppel v All labels/ Alle byskrifte v 8.2 8.2.1 Current strength is the rate of flow of charge. Y “/ Stroomsterkte is die tempo van vloei van lading 8.2.2 Q =IAtY = 0,5 x 120¥ = 60 CV 8.2.3 POSITIVE MARKING FROM 8.2.2/ POSITIEWE NASIEN VANAF 8.2.2 _w v= a” _w 12= By =720 Jv TOTALITOTAAL = 100 MARKS/PUNTE Copyright reserved/Kopiereg voorbehou (4) (2) (3) (3) [12]