只限閱卷員參閱 FOR MARKERS’ USE ONLY May 4‚ 2012 香港考試及評核局 HONG KONG EXAMINATIONS AND ASSESSMENT AUTHORITY 2012 年香港中學文憑考試 HONG KONG DIPLOMA OF SECONDARY EDUCATION EXAMINATION 2012 物理 香港中學文憑考試 試卷一乙 PHYSICS HKDSE PAPER 1B 本評卷參考乃考評局專為今年本科考試而編寫，供閱卷員參考 之用。閱卷員在完成閱卷工作後，若將本評卷參考提供其任教 會考班的本科同事參閱，本局不表反對，但須切記，在任何情 況下均不得容許本評卷參考落入學生手中。學生若索閱或求取 此等文件，閱卷員/教師應嚴詞拒絕，因學生極可能將評卷參 考視為標準答案，以致但知硬背死記，活剝生吞。這種落伍的 學習態度，既不符現代教育原則，亦有違考試著重理解能力與 運用技巧之旨。因此，本局籲請各閱卷員/教師通力合作，堅 守上述原則。 This marking scheme has been prepared by the Hong Kong
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CHAPTER 1: Introduction‚ Measurement‚ Estimating Answers to Questions 1. (a) Fundamental standards should be accessible‚ invariable‚ indestructible‚ and reproducible. A particular person’s foot would not be very accessible‚ since the person could not be at more than one place at a time. The standard would be somewhat invariable if the person were an adult‚ but even then‚ due to swelling or injury‚ the length of the standard foot could change. The standard would not be indestructible – the foot would
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Assignment 1: Using the Numeracy Core Curriculum Task 1 Identify some of the skills you could work on with Sally in order to develop her numeracy skills. You should include skills from each curriculum area (Numeracy‚ Measures Shape and Space and Handling Data). If you prefer‚ you may include a case study of your own; you will need to provide a profile of your case study and an explanation of the current skills levels and primary learning goals. Task 2 Complete the table below a) Using the progression
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FIITJEE Solutions to NTSE-2012 –Stage-I (Delhi State) (For Class X Students) Paper-2 SAT DATE OF EXAM : 18-11-2012 Time: 90 Minutes Max Marks: 90 INSTRUCTIONS TO CANDIDATES Read the following instructions carefully before you answer the question. Answers are to be given on a SEPARATE ANSWER SHEET. Use only HB Pencil. 1. Write you Roll No. very clearly (only one digit in one block) on this booklet and on the ANSWER SHEET. 2. This test consists of 90 questions of one mark
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earthquake? Based on the seismologist information‚ the earthquake is located at the Montana Wyoming border where the three circles intersect. 9.10 Using the nomogram‚ determine the Richter magnitude for the three earthquakes listed (see‚ p. 169 in the lab book). S arrival minus p arrival Amplitude Magnitude (A)
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UNITS‚ PHYSICAL QUANTITIES AND VECTORS 1 1.1. IDENTIFY: Convert units from mi to km and from km to ft. SET UP: 1 in. = 2.54 cm ‚ 1 km = 1000 m ‚ 12 in. = 1 ft ‚ 1 mi = 5280 ft . ⎛ 5280 ft ⎞⎛ 12 in. ⎞⎛ 2.54 cm ⎞⎛ 1 m ⎞⎛ 1 km ⎞ EXECUTE: (a) 1.00 mi = (1.00 mi) ⎜ ⎟⎜ ⎟⎜ ⎟⎜ 2 ⎟⎜ 3 ⎟ = 1.61 km ⎝ 1 mi ⎠⎝ 1 ft ⎠⎝ 1 in. ⎠⎝ 10 cm ⎠⎝ 10 m ⎠ 1.2. ⎛ 103 m ⎞⎛ 102 cm ⎞ ⎛ 1 in. ⎞⎛ 1 ft ⎞ 3 (b) 1.00 km = (1.00 km) ⎜ ⎟⎜ ⎟⎜ ⎟⎜ ⎟ = 3.28 × 10 ft 1 km ⎠⎝ 1 m ⎠ ⎝ 2.54 cm ⎠⎝ 12 in. ⎠ ⎝ EVALUATE: A mile is
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Laboratory Techniques and Measurements (adapted from Labpaq Version 09.1.06 by Peter Jeschofnig‚ Ph.D.) Experiment Summary You will have the opportunity to learn how to conduct measurements in mass‚ volume‚ and density using scales and common laboratory equipment. Review the safety materials and wear goggles when working with chemicals. Read the entire exercise before you begin. Take time to organize the materials you will need and set aside a safe workspace in which to complete the exercise
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PART- A : PHYSICS 1. A uniform cylinder of length L and mass M having cross - sectional area A is suspended‚ with its length vertical‚ from a fixed point by a massless spring‚ such that it is half submerged in a liquid of density σ at equilibrium position. The extension x0 of the spring when it is in equilibrium is : (1) Mg k (2) Mg LA 1 kM σ ⎛⎞ − ⎜⎟ ⎝⎠ (3) Mg LA 1 k 2M σ ⎛⎞ − ⎜⎟ ⎝⎠ (4) Mg LA 1 kM σ ⎛⎞ + ⎜⎟ ⎝⎠ (Here‚ k is spring constant) 1. (3) 0 LA Kx g mg 2 ⎛⎞ + σ = ⎜⎟ ⎝⎠ ∴ x0 =
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Complete Solutions Manual GENERAL CHEMISTRY NINTH EDITION Ebbing/Gammon David Bookin Mt. San Jacinto College Darrell D. Ebbing Wayne State University‚ Emeritus Steven D. Gammon Western Washington University HOUGHTON MIFFLIN COMPANY BOSTON NEW YORK Vice President and Executive Publisher: George Hoffman Vice President and Publisher: Charles Hartford Senior Marketing Manager: Laura McGinn Development Editor: Kate Heinle Assistant Editor: Amy Galvin Editorial Assistant: Chip
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JOURNAL OF APPLIED CLINICAL MEDICAL PHYSICS‚ VOLUME 1‚ NUMBER 3‚ SUMMER 2000 Comparison between TG-51 and TG-21: Calibration of photon and electron beams in water using cylindrical chambers S. H. Cho‚a) J. R. Lowenstein‚b) P. A. Balter‚c) N. H. Wells‚d) and W. F. Hansone) Department of Radiation Physics‚ The University of Texas M.D. Anderson Cancer Center‚ 1515 Holcombe Boulevard‚ Box 547‚ Houston‚ Texas 77030 ͑Received 31 March 2000; accepted for publication 8 June 2000͒ A new calibration
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