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Physics · 2001 · November · Paper 3 · HL · Markscheme

PhysicsMarkscheme2001HLNovember

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Resource overview

This markscheme is listed under Physics in the 2001 examination archive. Its catalogue level is HL. The catalogue session is November. The information below helps you identify the document before opening the complete PDF. Subject, year and session labels come from the archive catalogue; the original cover remains the reference if a label differs. A file is not automatically suitable for your current syllabus simply because its subject name matches.

Use this markscheme alongside its matching question paper. Attempt the questions first, then compare the required reasoning and the available marks. Record the exact step that lost credit rather than only the final answer. Examiner wording can help you distinguish a calculation error from missing explanation, but an older markscheme may use a previous assessment structure.

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MARKSCHEME November 2001 PHYSICS Higher Level Paper 3 19 pages N01/430/H(3)M INTERNATIONAL BACCALAUREATE BACCALAURÉAT INTERNATIONAL BACHILLERATO INTERNACIONAL There are several occasions when a mark is awarded for the correct answer and another one is given for the correct reasoning e.g. H1(c). In general, the right answer for wrong reasons gains no credit, but the point is to allow [1 mark] for muddled or missing reasoning. OPTION D — BIOMEDICAL PHYSICS D1. (a) observer in sound proof room / any sensible precaution; [1] increase intensity at one frequency until audible to observer / OWTTE; [1] repeat for different frequencies and different observers; [1] [3 max] (b) 1500 Hz [1 max] accept 800 Æ 2300 Hz; (c) from graph from 200 Æ 4300 Hz; [1 max] accept 150 Æ 250 and 3000 Æ 5000 Hz Reject answers that have the correct num bers but give two ranges and leave out the correct range. (d) as you get older hearing decreases; [1] particularly at high frequencies; [1] [2 max] (e) from graph, hearing loss = –20 dB; [1] normal hearing at this frequency is seen or implied; [1] 12 210 W m− − calculation (or otherwise) give 20 dB loss = ; [1] 10 210 W m− − [3 max] (f) no; [1] any sensible statement / argument; [1] e.g. to correct hearing loss back to zero, higher frequencies mu st be preferentially amplified more / OWTTE [2 max] – 6 – N01/430/H(3)M
File information
Subject
Physics
Document type
Markscheme
Year
2001
Session
November
Level
HL
Paper
3
Examination zone
Not labelled in the archive
Language
Not labelled in the archive
File size
345 KB
Pages
15
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