6 mark exam questions about this topic are very common, make sure you practice writing about using and detecting ultrasounds in full, coherent sentences with correct spelling and grammar. A-Level Physics Notes and questions on A-Level physics. If you are taking AS Level CIE Physics, then you will have three assessments in total. Explain the main principles behind the GENERATION of ULTRASOUND to obtain diagnostic information about internal structure. A Level Physics Syllabus : Download. Ultrasound imaging modality has the major advantage, as compared to other medical imaging modes, to provide real-time acquisitions. It is a cheap modality compared to MRI and others, and it is non . Medical Imaging Questions. \end{matrix} Work, Energy and Power 7. Writing short or vague answers could lose you marks, as well as misspelling words! Conservation Of Energy. Contact us through the contact form to share your notes! Stable/Unstable Nuclei. Students can use it to access questions related to topics, while teachers can use the software during teaching and to make exam papers easily. Detailed notes written by experienced physics teacher. CIE A-Level Physics exams are structured in a progressive way. Concentrating on the underlying principles of radiation physics, it covers the prerequisite knowledge . There are two types of physical quantities: 1. Physics Revision. The syllabus includes the main theoretical concepts which are fundamental to the subject, a section on some current applications of physics, and a strong emphasis on advanced practical skills. All Rights Reserved, CIE Lower Secondary Checkpoint Past Papers. the Medical physics option of our A-level Physics specification (7408). Topic Notes. The syllabus includes the main theoretical concepts which are fundamental to the subject, a section on some current applications of physics, and a strong emphasis on advanced practical skills. Bipolar disorder is a chronic affective disorder affecting 1 to 3% of the adult population worldwide and has a high level of comorbidity with suicide rates . 9702_iECRs_ALL : Download. She particularly loves creating fun and absorbing materials to help students achieve their exam potential. Astronomy & Cosmology 25.1 Astronomy 25.2 Cosmology Resources Check if this is true for P1 and P2. Mark Scheme. \text{b. values = {1, 2, 3, 4}}\\ 1. Ultrasound to obtain diagnostic information about structures within the body, ~ Pulses of ultrasound directed into body, Functions of two magnetic fields in a magnetic resonance (MR) scanner. Create your own unique website with customizable templates. Received my results today, I got 4 As and 4 Bs. Scalars and Vectors 2. The ultrasound gives two main pieces of information about the boundary: A pulse of ultrasound is emitted by the piezo-electric crystal, This is reflected from the boundaries between media, The reflected pulse is detected by the ultrasound transmitter, The signal is then processed and displayed on the screen for the healthcare worker to analyse and use for medical diagnosis, The time between transmission and receipt of the pulse (. I 0 = Original intensity. They also speed up diagnostics. Forces, Density and Pressure 6. CIE A'level Physics 9702 A2: Medical Physics. Revision questions looking at explain how different imaging technologies work: X-rays, PET Scanners, Ultrasound and Tracers with gamma cameras. Practical skills are assessed in a . Dr Andrew Gibson BSc PGCE QTS MSc PhD . Gravitational Fields 9. \text{c. values = (1)}\\ Fundamental Particles. e = natural root - refer to C3 Exponential and Logarithms in A2 Maths. This book covers the entire syllabus of Cambridge International Examinations AS and A Level Physics. Cambridge International AS and A Level Physics Chapter 32: Medical imaging 506 The nature and production of X-rays 507 . Company Registration Number: 8600593 Complete A level Physics Notes Cambridge International AS and A Level Physics builds on the skills acquired at Cambridge IGCSE (or equivalent) level. An ultrasound transducer is made up of a piezoelectric crystal and electrodes which produce an alternating p.d. Couldnt have achieved 9 A*s on my IGCSE exams without you! Free high-quality revision notes for EXPLORE, covering all modules and updated to the latest syllabus specifications. 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There are presentations, handouts and worksheets from past papers. X-rays are electromagnetic waves with a frequency of, X-rays have many uses and you need to know, X-rays have different forms of collisions with matter depending on the, The photoelectric effect was introduced in, X-rays have been improved over time so to enable them to do more and be more accurate, A Gamma Camera is what receives the gamma rays from the medical tracer providing an image of the body, The precession frequency that causes the nuclei to turn anti-parallel is called the, This means if the human body (10% Hydrogen) is subjected to a large magnetic field the Hydrogen molecules arrange themselves. Find more study material on our Medical . Thank you for providing such a helpful website for IGCSE students. Principles of the use of magnetic resonance to obtain diagnostic information about internal body structures, ease with which edges of structures can be seen, difference in degree of blackening between structures, explain why a continuous spectrum of wavelengths is produced in a spectrum of x-ray, ~ e.m. radiation/photon is produced whenever a charge is accelerated, why it is advantageous to filter out the low-energy photons from the x-ray beam, Why the x-ray spectrum has sharp cut-off at short wavelengths, ~ when electron loses all its energy in one collision, use of x-rays for imaging internal body structures, ~ x-ray beam directed through body onto detector, why CT scanning could not be developed before powerful computers were available, ~ X-ray image of slice taken from many different angles, ~ CT image: thin slice through structure, build up from many slices, 3-D image, Service Management: Operations, Strategy, and Information Technology, Information Technology Project Management: Providing Measurable Organizational Value, Charles E. Leiserson, Clifford Stein, Ronald L. Rivest, Thomas H. Cormen, Which of the following statements creates a tuple? P2 has a clock rate of 3 GHz, an average CPI of 0.75, and requires the execution of 1.0E9 instructions. To work out the reduction in intensity the below equation is used. 150290-learner-Learner Guide for AS and A Level Physics : Download. 11) The determination of which items are low in stock is represented on a data flow diagram as a process. FP operations / (execution time x 1E6) but this figure has the same problems as MIPS. Introduction. A high frequency sound above the range of human hearing, The structure of an ultrasound transducer, A piezoelectric crystal can act as both a receiver or transmitter of ultrasound. Specification (9702) CIE CIE Website Full Specification (2019-21) Full Specification (2022-24) International 1. This will help to reveal any gaps in your understanding. Inorganic Compounds' Reactions in Aqueous Solution, Fields, Particles and Frontiers of Physics, Trigonometric Identities and Applications, This is different depending on the medium the ultrasound is passing into. ~ strong uniform magnetic field aligns nuclei; or gives rise to Larmor frequency. Deformation of Solids 10. My availabilty, rates and contact details. Explain the principles of the generation and detection of ultrasound waves. A2 Level Physics (CIE) The package consist all needed material for teachers to make their students successful in CIE A level exams. A level physics notes A full set of A level physics notes free to download. $$ Cambridge International AS and A Level Physics builds on the skills acquired at Cambridge IGCSE (or equivalent) level. Topic Notes. I am very thankful to you for my achievement. $$. Introduction Consider a scenario: When diesel is burned in a truck engine, some of the chemical energy stored in the form of liquid is converted into kinetic energy of the truck and some are wasted as thermal energy. Base Quantity 2. Section 1: The eye (specification reference 3.10.1) 3 . P1 has a clock rate of 4 GHz, average CPI of 0.9, and requires the execution of 5.0E9 instructions. Terms of Use Match case Limit results 1 per page. Find a one-to-one tutor on our new Tuition Platform . . Smart Notes Online provides help to the students by classifying resources, such as Books, Revision Guides, Notes, Past Papers, Mark schemes and Examiner reports. These are important so patients are at lower risk from side effects or trauma whilst lowering costs of expensive and difficult surgery. Copyright 2020 CIEnotes. For each of the exam boards below, there are revision notes, factsheets, questions from past exam papers separated by topic and videos. a) understand that mass is the property of a body that resists change in motion. Practical skills are assessed in a timetabled practical examination. One usual fallacy is to consider the computer with the largest clock rate as having the largest performance. Physics of Medical Imaging Notes. The frequency of the ultrasound is important because: The higher the frequency of the ultrasound, the higher the resolution and the smaller structures that can be distinguished. Another common performance figure is MFLOPS (millions of floating-point operations per second), defined as MFLOPS = No. was 59.00. Thank you CIE Notes for my 2A*s and 2As that I got in the May-June 2018 A-level exams!! A Level Physics Notes. i Lecture notes 3 pages's by advikasharma uploaded 09-08-2021 A2 Alevel Physics Medical imaging Notes (0) 7.99 . Kinematics 4. It provides more . When these echoes hit the transducer, they generate electrical signals that are sent to the ultrasound scanner. The A level results came out and I got 3 A*s and 1 A. I want to thank you guys for all the free past papers and notes uploaded. When a substance changes state, there is a period where the temperature of the material is constant, as the internal energy rises, this is due to the latent heat. Assume that 40% of the instructions executed on both P1 and P2 are floating-point instructions. The higher the frequency of the ultrasound, the higher the . Ultrasound Transducers use the piezoelectric effect to send ultrasound waves into a patient. Explain the main principles behind the GENERATION of ULTRASOUND to obtain diagnostic information about internal structure. The amount reflected is important as it enables an image to be created depending on the reflection. What is the typical range of aperture size? Each time the program pauses, it should wait for the user to strike a key before the next 24 lines are displayed. CIE Physics Medical Physics (9702) Looking for more study guides & notes about Medical Physics (9702)? Measurement Techniques 3. Nuclear Equations. This produces short pulses and increases the, An alternating p.d. Antiparticles . Feel free to download and use them to help revise for exams or to read through as you go along to help consolidate your learning for each topic. The Building Blocks. All materials are compatible with David Sang A-Level book. Summary A2 Alevel Physics Medical imaging Notes - 7.99 Add to cart Quickly navigate to . Dynamics 5. Find the MFLOPS figures for the programs. Non-ionising imaging (specification reference 3.10.4 . The emphasis throughout is on the understanding of concepts and the application of physics ideas in novel contexts as well as on the acquisition of knowledge. In an ultrasound scanner, the transducer sends out a beam of sound waves into the body. We're available through e-mail, live chat and Facebook. If you find any broken links or .pdf documents or past papers on missing subjects. across the crystal, This received signal can then be processed and used for medical diagnosis, In an ultrasound scanner, the transducer sends out a beam of sound waves into the body, The sound waves are reflected back to the transducer by boundaries between tissues in the path of the beam, For example, the boundary between fluid and soft tissue or tissue and bone, When these echoes hit the transducer, they generate electrical signals that are sent to the ultrasound scanner, Using the speed of sound and the time of each echos return, the scanner calculates the distance from the transducer to the tissue boundary, These distances can be used to generate two-dimensional images of tissues and organs. Contents Page . Please note that the Scheme of Assessment has changed since 2005. Physical Quantities and Units 1. They cover the core topics of A/AS level physics. TOPIC QUESTIONS MARK SCHEMES Section 1: Physical Quantities & Units Physical Quantities & Units 1- Theory Physical Quantities & Units 2- Theory Physical Quantities & Units 3- Theory Physical Quantities & Units - Multiple Choice - Easy CIE Physics AS (9702) Topic Questions 1 Physical quantities and units 1.1 Physical quantities 1.2 SI units 1.3 The Avogadro constant 1.4 Scalars and vectors 2 Measurement techniques 2.1 Measurements 2.2 Errors and uncertainties 3 Kinematics 3.1 Equations of motion 4 Dynamics 4.1 Momentum and Newton's laws of motion 4.2 Non-uniform motion 4.3 Linear momentum The emphasis throughout [] CIE, AS Level Physics worksheets These worksheets are provided for private study only and are not to be used for any financial gain. I was expecting worse results but thanks to cienotes I was able to exceed my expectations. A LEVEL 1.1 Physical Quantities and Unit s 1.2 Physical Quantities and Units 2.1 Kinematics 3.1 Dynamics 4.1 Momentum and Newton's laws of motion.
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