KEY WORDS: Ionising Interfaces Refracton Total Internal Reflection ASSESSMENT: Describe the properties and uses of Xrays P3 REVISION – CHAPTER 1 – Medical.

Slides:

Advertisements

Similar presentations

Learning Outcome Draw a ray diagram to find the position, nature and size of the image produced by a concave and convex mirrors.

Advertisements

NEWTONIAN MECHANICS. Kinematic equations Frictional Force.

Light, Reflection, & Mirrors

Chapter 30 Lenses. Lens – a lens is a transparent material that bends light rays depending on its shape Converging lens – a lens (top left) in which light.

P3 Revision. How do forces have a turning effect? The turning effect of a force is called the moment. Distance from force to pivot – perpendicular to.

 Expect a question on Centre of Mass as AQA usually put one on.  The Eye was new in 2012, and eye structure was on 2013 paper. This year long/short.

Created by Stephanie Ingle Kingwood High School

Chapter 15 Pretest Light and Refraction

Refraction How to Find Images Using Ray Diagrams  Bending of light due to a change in speed (changes mediums)  Objects behind or in more optically dense.

TOC 1 Physics 212 and 222 Reflection and Mirrors What do we see? Law of Reflection Properties of Spherical Mirrors Ray Tracing Images and the Equations.

Suppose that you hold the transparency in the photograph below in front of a mirror. How will its reflection appear? Is the image: (1) inverted top-to-bottom?

1 UCT PHY1025F: Geometric Optics Physics 1025F Geometric Optics Dr. Steve Peterson OPTICS.

P3 Physics Revision checklist Optics, Lenses and the Eye (1)

What do you know about Mirrors? 1.We see objects because _____. a. light is reflected off of objects b. objects generate their own light c. both A and.

The Refraction of Light The speed of light is different in different materials. We define the index of refraction, n, of a material to be the ratio of.

Optics The Study of Light.

Light and Reflection Level 1 Physics. Facts about Light It is a form of Electromagnetic Energy It is a part of the Electromagnetic Spectrum and the only.

Welcome to Optics JEOPARDY PHysics Final Jeopardy Question Reflection Mirrors 100 Lens refraction Special topics.

Refraction Physics Department, New York City College of Technology.

Copyright © 2008 Pearson Education, Inc., publishing as Pearson Addison-Wesley Light and Optical Phenomenon Light and Colors Physics 102 Goderya Chapter(s):

Converging lenses Diverging Lenses The Lens Equation We can make use of the fact that changing the focal length and position of the object we can change.

CHAPTERS-16&17 Light, Color, and Image Formation 1Electromagnetic wave 2Light and Color 3Reflection and Image Formation 4Refraction of Light and Rainbow.

KEYWORDS: refraction, angle of incidence, Angle of refraction, refractive index KEYWORDS: refraction, angle of incidence, Angle of refraction, refractive.

Conceptual Physics: pp ; Chapter 30.  Refraction-The bending of a wave as it enters a new medium  Medium-The material the wave travels through.

Geometric Optics September 14, Areas of Optics Geometric Optics Light as a ray. Physical Optics Light as a wave. Quantum Optics Light as a particle.

Optics 2: REFRACTION & LENSES. REFRACTION Refraction: is the bending of waves because of the change of speed of a wave when it passes from one medium.

KeyWords: radiation, diagnosis, ultrasound, CAT scanners, endoscopes, non-ionising radiation P3 topic 1 (part i) Radiation in treatment and medicine This.

Magnetic Field Patterns. A Quick Review of Magnetic Fields

Refraction. As the speed of light is reduced in the slower medium, the wavelength is shortened proportionately. The frequency is unchanged; it is a characteristic.

1. How is the index of refraction calculated? How is light refracted as it speeds up? How is light refracted as it slows down? Index of refraction = speed.

Refraction Refraction happens when light moves from one medium to another (example: from air to glass) Wave slows down Bends towards the normal line Wavelength.

02/06/2016 Lenses and Images LO: to be able to describe images formed by different types of lenses Starter: make a list of any items you can think of that.

Unit 5, Chapter 15 Integrated Science. Unit Five: Light and Optics 15.1 Seeing an Image 15.2 The Human Eye 15.3 Optical Technology Chapter 15 Optics.

Chapter Refraction: Snell’s Law *When light passes from one medium to another, or from one density to another, it changes speed and its path is bent.

Review. DC Circuits Resistors in Series Resistors in Parallel.

M Manser WAVES : Optics (t riple science) By the end of this presentation you should be able to: Identify the differences between converging and diverging.

Reflection & Mirrors. Reflection The turning back of an electromagnetic wave (light ray) at the surface of a substance. The turning back of an electromagnetic.

Light refraction Chapter 29 in textbook.

P3 Revision. How do forces have a turning effect? The turning effect of a force is called the moment. Distance from force to pivot – perpendicular to.

Physics Final 2010 Know: Opposite charges attract When you give something an electric charge, Electrons are moving from one thing to another The Force.

PHYSICS – Total Internal Reflection and Lenses. LEARNING OBJECTIVES Core Describe the formation of an optical image by a plane mirror, and give its characteristics.

P3 Electromagnetism Revision. Electromagnetism How do you make an electromagnet? Insulated wire wrapped round a soft iron core. When current applied a.

Refraction of light pg. 77.

P3 Exam questions. The following questions are examples of questions taken fro previous exams. If you can answer these and can learn these answers and.

Ultrasound and X rays- Imaging & Treating Ultrasound – longitudinal sound wave frequency above 20,000Hz. NON IONISING X ray – high frequency em wave with.

17.1 Reflection and Refraction. Chapter 17 Objectives  Describe the functions of convex and concave lenses, a prism, and a flat mirror.  Describe how.

LIGHT. PROPERTIES OF LIGHT Light always travels in straight lines. Light always travels at 2.98 x 10 8 ms -1 in air or a vacuum. ( kms -1 ) Light.

P3 Revision. Medical Why are X-rays dangerous? They are ionising.

Lenses: Describe how a convergent lens works: Describe how a divergent lens works: Describe how the lens works in the eye: P3 REVISION – CHAPTER 1 – MEDICAL.

Light & Optics Chapters Electromagnetic Wave.

Chapter 23 Physics A First Course Light and Optics.

Physics REVISION – Light - Reflection The law of reflection Sound waves and light waves reflect from surfaces. The angle of incidence equals the angle.

Learning Intentions: Basically everything in the unit of Physics 3

AP Physics Review Jeopardy.

Notes 23.1: Optics and Reflection

Lenses Topic 13.4.

Optics: Reflection, Refraction Mirrors and Lenses

Which key facts do I need to know?

Magnetism and electromagnetism

PHYSICS – Total Internal Reflection and Lenses

Wavefronts and Snell’s Law of Refraction

Waves may reflect diffusely based on…

P3 REVISION – CHAPTER 1 – MEDICAL APPLICATIONS OF PHYSICS

Science 8 – Mirrors and Lenses ANSWERS

Force on a Current-carrying Conductor & Motor Effect 

Draw 2 magnets that repel and attract each other.

X rays are electromagnetic waves of short wavelength, high frequency and high energy. They are ionising time period (s) = number of divisions x time base.

Presentation transcript:

KEY WORDS: Ionising Interfaces Refracton Total Internal Reflection ASSESSMENT: Describe the properties and uses of Xrays P3 REVISION – CHAPTER 1 – Medical Application of Physics What are the differences and similarities of a camera and the eye? What is an endoscope? What is meant by refraction? What are the advantages and disadvantages of CAT scans? Draw a diagram of a converging lens going through a lens and a diagram of a diverging lens going through a lens. Label the two images How are Ultrasound Waves used and what are the risks? By which two equations can a refractive index be found?

KEY WORDS:ASSESSMENT: What is the focal length? What is the difference between a real and virtual image? How can you increase the amount light bends by? P3 REVISION – CHAPTER 1 – Medical Application of Physics Continued In the diagram below draw a) angle of incidence less that critical angle b) equal to critical angle c) greater than critical angle Label the eye below with the functions of each thing you label What is the equation for magnification? What is Total Internal Reflection?

ASSESSMENT: What is a moment? When are objects balanced in terms of moments? What is a leaver? What is the equation for moments? P3 REVISION – CHAPTER 2 – Moments What is centre of mass? On a regular shape where is centre of mass? How can centre of mass be found on an irregular object? When is an object stable? For a simple pendulum: What is hydraulic pressure? What happens to pressure on a liquid? What is the equation for pressure? What enables hydraulic systems to be force multipliers? What is centripetal force? Give three examples of centripetal force How can centripetal force be increased? Why does velocity change?

ASSESSMENT: What is the motor effect? What is the left hand rule? How can you increase a motor’s speed? P3 REVISION – CHAPTER 3 – Keeping things Moving What are transformers? What is a step up transformer? What is the equation for working out potential difference across a transformer? If transformers are assuemd to be 100% efficient which equation is used? What are switch mode transformers? Advantages; Disadvantages: Why is an alternating current used instead of a direct current? What happens if a magnet is moved into a coil of wire? What happens if an electrical conductor cuts through a magnetic field? How can direction of Potential Difference be reversed? When will a conductor not experience a force? How can motors be made to turn faster?