# Physical Sciences Grade 10 Eastern Cape March Test 2025 Memo > Grade 10 Physical Sciences memorandum from the Eastern Cape March Test 2025, 6 pages. Read online or download the free PDF. - Page: https://www.hlayiso.com/library/2025-ec-physical-sciences-grade-10-march-mg/7830e7b9-aec4-410b-b4cf-22bcb05fd3c7 - Updated: 2026-09-27 - Subject: Physical Sciences - Grade: Grade 10 - Document type: Memorandum - Year: 2025 - Exam period: Eastern Cape March Test - Curriculum: CAPS - Pages: 6 Breadcrumbs: [Home](https://www.hlayiso.com/) › [Library](https://www.hlayiso.com/library) › [Grade 10](https://www.hlayiso.com/library/grade-10) › [Physical Sciences](https://www.hlayiso.com/library/grade-10/physical-sciences) › [Physical Sciences Grade 10 Eastern Cape March Test 2025 Memo](https://www.hlayiso.com/library/2025-ec-physical-sciences-grade-10-march-mg/7830e7b9-aec4-410b-b4cf-22bcb05fd3c7) ## About this document Physical Sciences · Grade 10 · Eastern Cape March Test · 2025. Memorandum, 6 pages. Read online or download the PDF. Read it free online on the page above; download the PDF from there. ## Document text Text extracted from the PDF. Layout, diagrams and tables may not survive extraction. ### Page 1 OR TAMBO INLAND DISTRICT GRADE 10 PHYSICAL SCIENCES MARCH 2025 MEMORANDUM MARKS: 75 THIS MEMORANDUM CONSISTS OF 6 PAGES INCLUDING THE COVER PAGE. ### Page 2 PHYSICAL SCIENCES - MEMO CAPS - GRADE 10 ORTID/MARCH 2025 QUESTION 1 1.1 B ✓✓ (2) 1.2 C ✓✓ (2) 1.3 A ✓✓ (2) 1.4 C ✓✓ (2) 1.5 D ✓✓ (2) 1.6 D ✓✓ (2) 1.7 D ✓✓ (2) [14] QUESTION 2 2.1 The algebraic sum of the amplitudes of two pulses that occupy the same space at the same time. ✓✓ (2) 2.2 Destructive interference. ✓ Interference between a crest and a trough leading to a reduced amplitude. ✓ (2) OR They sum up to a smaller amplitude. ✓ 2.3 A = 6 + (−8)✓ = −2cm✓ Answer only: full marks (2) [6] Copyright reserved 1 Please turn over ### Page 3 PHYSICAL SCIENCES - MEMO CAPS - GRADE 10 ORTID/MARCH 2025 QUESTION 3 3.1 A wave in which the particles of the medium vibrate at right angles to the direction of motion of the wave. ✓✓ (2) 3.2.1 A and C ✓ (1) 3.2.2 Trough ✓ (1) 3.2.3 Crest ✓ (1) 3.3 4 ÷ 2✓ = 2 m. ✓ (2) 3.4.1 T = 1 ✓ = 1 ✓ = 0,67s✓ (3) f 1,5 Positive marking from 3.3 3.4.2 v = f. λ ✓ = (1,5)(2) ✓ = 3m. s −1 ✓ (3) [13] QUESTION 4 4.1 A wave in which the particles of the medium vibrate parallel to the direction (2) of motion of the wave. ✓✓ 4.2.1 Rarefaction ✓ (1) 4.2.2 Compression ✓ (1) 4.2.3 Wavelength ✓ (1) 4.3.1 v = f. λ ✓ 1500 = 30 000 × λ ✓ λ = 0,05 m ✓ (3) 4.4 • To check the health of unborn babies in their mother’s womb. ✓ (2) • To diagnose and treat various conditions (tumours). ✓ (Any other additional uses) [10] Copyright reserved 2 Please turn over ### Page 4 PHYSICAL SCIENCES - MEMO CAPS - GRADE 10 ORTID/MARCH 2025 QUESTION 5 5.1 A photon is a packet of energy found in light. ✓✓ (2) 5.2 A = visible light ✓ B = X-rays ✓ (2) 5.3 E = hf ✓ = 6,63 × 10−34 × 2,5 × 1016 ✓ = 1,6575 × 10−17 J ✓ (3) 5.4 Because B has a higher frequency / energy✓ hence a higher penetrating (2) ability✓ OR X-rays are absorbed by bones to appear bright white✓ but visible light is deflected by soft tissues of the body. ✓ 5.5 ℎ𝑐 𝐸= ✓ 𝜆 6,63×10−34 ×3,0×108 7,25 × 10−13 ✓ = ✓ 𝜆 (4) 𝜆 = 2,74 × 10−13 𝑚. ✓ [13] Copyright reserved 3 Please turn over ### Page 5 PHYSICAL SCIENCES - MEMO CAPS - GRADE 10 ORTID/MARCH 2025 QUESTION 6 6.1 Every charge in the universe consists of an integer multiple of the charge of one electron. ✓✓ (2) In 6.2, two options have been provided to accommodate the wrong choice of sphere with excess electrons. 6.2 OPTION 1 OPTION 2 𝑄 𝑄 𝑛= ✓ 𝑛= ✓ 𝑒 𝑒 4,7×10−6 −5,3 × 10−6 = 1,6×10 −19 ✓ = −1,6×10−19 ✓ (3) 13 13 = 2,9375 × 10 electrons✓ = 3,3125 × 10 electrons✓ 6.3 To prevent the loss of electrons or charges. ✓ (1) OR To prevent leakage of charges. ✓ 6.4 A to B. ✓ A has excess electrons. ✓ (2) 6.5 𝑄1 +𝑄2 𝑄= ✓ 2 4,7×10−6 +(−5,3 × 10−6 ) = ✓ 2 (3) −7 = −3 × 10 𝐶 ✓ Positive marking from 6.5 6.6 OPTION 1 OPTION 2 ∆𝑄 = −3 × 10−7 − (−5,3 × 10−6 )✓ ∆𝑄 = −3 × 10−7 − 4,7 × 10−6 ✓ = 5 × 10−6 𝐶 = −5 × 10−6 𝐶 5×10−6 −5×10−6 𝑛= ✓ 𝑛= ✓ 1,6×10−19 −1,6×10−19 𝑛 = 3,125 × 1013 𝑒𝑙𝑒𝑐𝑡𝑟𝑜𝑛𝑠. ✓ 𝑛 = 3,125 × 1013 𝑒𝑙𝑒𝑐𝑡𝑟𝑜𝑛𝑠. ✓ (3) [14] Copyright reserved 4 Please turn over ### Page 6 PHYSICAL SCIENCES - MEMO CAPS - GRADE 10 ORTID/MARCH 2025 QUESTION 7 7.1 The energy transferred per unit electric charge (flowing through it) ✓✓ (2) 7.2 𝑊 𝑉= ✓ 𝑄 8000 (3) = ✓ 735 = 10,88 𝑉 ✓ [5] TOTAL [75] Copyright reserved 5 Please turn over ## Related documents - [2025 EC - Physical Sciences Grade 10 March QP](https://www.hlayiso.com/library/2025-ec-physical-sciences-grade-10-march-qp/bd09640b-cf56-4333-b958-01ad4331ee25) — Physical Sciences · QP · 2025 - [EC AW Physical Sciences Grade 10 June 2025 QP and Memo](https://www.hlayiso.com/library/ec-aw-physical-sciences-grade-10-june-2025-qp-and-memo/55c5e457-737d-42d8-a3e9-d141082f89d3) — Physical Sciences · QP + Memo · 2025 - [FS Physical Sciences Grade10 June 2025 QP and Memo](https://www.hlayiso.com/library/fs-physical-sciences-grade10-june-2025-qp-and-memo/4bbbc06c-f9d3-4d47-9bd5-7421512cd012) — Physical Sciences · QP + Memo · 2025 - [KZN Physical Sciences Grade 10 November 2025 P1 and Memo](https://www.hlayiso.com/library/kzn-physical-sciences-grade-10-november-2025-p1-and-memo/c5bea2ed-3318-4f7d-b1f6-2ac68a9d3399) — Physical Sciences · QP + Memo · 2025 - [LP Physical Sciences Grade 10 March 2025 QP and Memo](https://www.hlayiso.com/library/lp-physical-sciences-grade-10-march-2025-qp-and-memo/5aedbc3d-3f59-4693-b4ab-7c19bfd618f5) — Physical Sciences · QP + Memo · 2025 - [MP Physical Sciences Grade 10 June 2025 P1 and Memo](https://www.hlayiso.com/library/mp-physical-sciences-grade-10-june-2025-p1-and-memo/59cc2c0b-5fa8-4714-9e0d-b786ead5f8d0) — Physical Sciences · QP + Memo · 2025 ## More from Grade 10 Physical Sciences - [Grade 10 Physical Sciences P2 November 2026 Mock 2](https://www.hlayiso.com/library/grade-10-physical-sciences-2026-november-mock-exam-2-question-paper-paper-2/5bd7a947-8dcc-4f45-a4e1-7d600246d8f7) — QP · 2026 · Eng - [Gr 10 Phys Sci ATP 2023-24](https://www.hlayiso.com/library/gr-10-phys-sci-atp-2023-24/f162614c-9eea-46bf-b61a-5a5dc6360c7b) — ATP - [Gr 10 PS P1 (Afrikaans) Question Paper](https://www.hlayiso.com/library/gr-10-ps-p1-afrikaans-question-paper/f58a867e-38b3-44f4-8f09-66ffbe5b7066) — QP · 2024 · Afr - [Gr 10 PS P2 (English) Question Paper](https://www.hlayiso.com/library/gr-10-ps-p2-english-question-paper/623e3579-221a-4ee5-af51-69323c9adf50) — QP · 2024 · Eng - [KZN Physical Science Grade 10 March 2024 QP and Memo](https://www.hlayiso.com/library/kzn-physical-science-grade-10-march-2024-qp-and-memo/880c01b0-7b75-4132-9321-8698677472d8) — QP + Memo · 2024 - [GR10 Physical Sciences QP P2 ENG](https://www.hlayiso.com/library/gr10-physical-sciences-qp-p2-eng/fda52459-0655-4b5e-b222-80f579da3126) — QP · 2024 · Eng ## Collection - [Grade 10 past papers](https://www.hlayiso.com/grade-10/past-papers) --- Hlayiso: free CAPS and IEB past papers, memos, notes and study guides for South African learners. When citing, link the page URL above, not a PDF or /api/ URL.