Waves and visibility rays emanating from a point light source. Ruler, calculator instructions tt use black ink or ballpoint pen. How light travels light waves ks3 physics revision bbc. Revision notes physics igcse light physics notes, physics.
It has the symbol 14 6 c a i the number of nucleons in a carbon14 nucleus is 1 a 6 b 8 c 14 d 20 ii the number of neutrons in a carbon14 nucleus is 1 a 6 b 8 c 14 d 20 iii the number of electrons in a neutral carbon14 atom is 1 a 6 b 8 c 14 d 20. Find the current flowing in the circuit when placed in a 120 volt circuit. The image is formed where the rays appear to come from behind. As mentioned above, light rays incident towards either face of the lens and traveling parallel to the principal axis will either converge or diverge. Reflection from a plane mirror and a concave mirror. The image is formed where the rays appear to come from behind the mirror. Time allowed 1 hour instructions use black ink or black ballpoint pen.
P2 additionaltriple physics gcse simplified syllabus. Light rays are reflected off the paper in all directions due to its rough surface. Gcse physics question paper unit 03 physics june 2017. Since the light ray appears to be broken, the phenomenon is. For each page there are three questions, the first is using the equation as it is, the second is a rearrangement, third is another rearrangement with at least one unit conversion. Gcse physics light waves speed colour line spectra. A lens also has an imaginary vertical axis that bisects the symmetrical lens into halves. The very large difference between the speed of light in. Trilogy 8464 aqa gcse physics 8462 paper exam date paper 1 4. For the levels to differ the pressure p1 must be greater than p2, hence. A small amount about 3% of background radiation comes from humanmade sources such as medical equipment, nuclear power stations and nuclear weapons testing. If the light rays converge as in a converging lens, then they will converge to a point. Background radiation comes from cosmic rays, rocks and atmospheric gases. As shown below, an electromagnetic wave is a transverse wave consisting of mutually perpendicular oscillating electric and magnetic fields.
First second third mass earth contact noncontact weight according to newtons law, the bench exerts a force on. Even if you dont want to study science or maths further, the grades. Year 7 science revision guide physics chauncy school. Finding the position of the image using a plane mirror draw any two incident rays from the object to the mirror. Aqa gcse physics oxford text book p1 conservation and dissipation of energy 1.
Physics notes form 3 free download kcse revision notes pdf. Endorsed by cambridge international examinations for the latest cambridge igcse physics 0625 syllabus for examination from 2016 free students cd. Since the light ray appears to be broken, the phenomenon is known as refraction. Its maximum speed is approximately 300,000,000 ms, when it travels through a vacuum. Find all the books, read about the author, and more. Aqa gcse physics oxford text book robert smyth academy. The whole of light and the electromagnetic spectrum. Cross through any work you do not want to be marked. Fill in the boxes at the top of this page with your name, tcentre number and candidate number. Continue these reflected rays back straight behind the mirror using a dotted line to the point where they appear to come from. Infrared radiation electromagnetic waves, absorb, emit, infra red, pir. Recall that waves transfer energy and information without.
V visible rays members are coded into r o y g b i v, also in the same order as in above. The type of light microscope you have used in the school laboratory is called a compound microscope. Then the straightline treatment of optics using rays fails. A man blows into one end of a utube containing water until the levels differ by 40. In principle, we can take any two rays emanating from a point on an object, trace their. A lens that is thinner in the middle which spreads out light rays. Physics p1 unit 1 one word answer booklet year 11 all classes. When you take the test, you will mark your answers on a separate machinescorable answer sheet.
Ripples through space that are similar to waves propagating on the. A textbook for high school students studying physics. Figure 9 f object converging lens f 5 b i complete figure 9 to show how these two rays form an image. The engaging and attention grabbing science charts are guaranteed to improve understanding and help brighten school hallways and classrooms. Physics laws physics revision physics 101 physics lessons gcse physics physics notes physics formulas gcse science physics and mathematics what others are saying the 25 best physics laws ideas on physics 28 images 25 best ideas about newtons laws on motion, best 25 physics laws ideas on physics, 25 best ideas about newtons laws on motion. Scientists are people trained in science and who practice the knowledge of science. Energy transfer by heating conduction, convection, evaporation, condensation. Plane mirrors are used in periscopes, security mirrors and dressing table mirrors.
There are also accompanying test sheets to check your memorisation. In kinematics forces causing motion are disregarded while dynamics deals with motion of objects and the forces causing them. The engaging and attention grabbing science charts are guaranteed to improve understanding and help. When atoms decay by emitting a or b particles to form a new atom, the nuclei of the new atom formed may still have too much energy to be completely stable. Book 5 in the light and matter series of free introductory physics. This book is intended to help memorise the equations for ocr gateway a gcse physics and combined science. The path is called a ray of light, and a bundle of such rays constitutes a beam of light. An image is thus a pointtopoint correspondence with the object established through reflection andor refraction. In examinations, answers frequently require more than 1 key word for the mark, so aim to include a few key words. Light can make a scene appear stunning this is a few pictures of mt cook and mt tasman reflected off matterson lake in southland, nz.
It assumes that the student already has a basic background with complex numbers, vector. The text is designed for upperlevel undergraduate students with a physics background. Rough surfaces scatter the light in all directions, so they. Chapter 9, conduction, convection and radiation chapter 10, changing. I have isolated some extension level questions from some extended papers paper 3 for cie igcse physics. Chapter 20, the earth and beyond chapter 21, waves chapter 22, light. Electromagnetic waves are ultimately produced by an accelerating charge. Sound waves and light waves change speed when they pass across the. Apr 17, 2014 this revision video covers all the main aspects of light needed for igcse physics, reflection, refraction, the thin converging len and the dispersion of light. Edexcel international gcse 91 physics core practicals teacher lab book iv.
Photography when images are formed on the light sensitive film in a camera. Instructions z use black ink or black ballpoint pen. By our eyes when images are formed on the retina at the back of the eye. The students look in a data book and find that the speed of sound in air is given as 341 ms. Electromagnetic wave use medical treatments radio waves television transmissions visible light fibre optic communications gamma rays sun tanning 2.
Using the law of reflection, complete the ray diagram below. You also need to be able to draw reflections in a plane mirror and whatnot. Gcse physics light and electromagnetic waves instructions for each statement, use either the suggested website or your own text book to write a 5point summary. Nov 15, 2017 i want to help you achieve the grades you and i know you are capable of. Gamma rays are not charged particles like a and b particles.
Gamma rays are electromagnetic radiation with high frequency. Pearson centre number candidate number edexcel gcse physics. The radiations alpha, beta and gamma have their own individual characteristics, as shown in the. Ray optics and optical instruments 3 virtual if the rays do not actually meet but appear to diverge from the point when produced backwards. Investigating the refraction of light using different blocks and prisms. Edexcel international gcse physics 4ph1 for exams from 2019. This interpretation is helpful when considering the amount of light received by a sensor or receptor. Lots of formulas, definitions and key points to learn off. The colours of the deep blue sky, the red of the sunset the image in the water are all caused by light change direction due to the substances and surfaces it is interacting with.
This resource includes 3 whole questions 21 marks total relating to light rays, lenses and properties of mechanical waves etc. Daydream educations science posters are great learning and teaching tools. The holes on a and c can tell the direction of propagation of a ray of light from the. In this chapter, we consider the phenomena of reflection, refraction and dispersion of. Suitable from gcse to alevel, it is colourful, concise and outlines the key concepts of this topic. This revision video covers all the main aspects of light needed for igcse physics, reflection, refraction, the thin converging len and the dispersion of light. Edexcel international gcse physics piacademy tutors. Full lesson powerpoint and resources to teach the gcse 91 specification physics lesson on ray diagrams. The light rays come back along the same path because the incident rays fall on the mirror along the normal to the reflecting surface. These questions may be used to practice for the sat physics test. Light, reflection, and color characteristics of light light is an electromagnetic wave. I want to help you achieve the grades you and i know you are capable of.
It covers the law of reflection, ray diagrams to show how a mirror forms an image, refraction, total internal reflection and critical angle. Physics igcse 2012 exam revision notes by samuel lees and adrian guillot 1. Gcse science a physics foundation tier unit physics p1 wednesday 24 may 2017 afternoon time allowed. Refraction is the change of direction of light rays as they pass at an angle from one medium to another of different optical densities. Free support resources for physics for you 5th edition. Light waves all text is lifted from and of chapter of edexcel igcse physics and the accompanying revision guide. State the name of the type of wave that includes x rays and visible light. Unstable nuclei undergo radioactive decay when a radioactive nucleus decays it may emit one or more of the following.
Rate of thermal energy transfer temperature difference, shape, dimensions, mass, type of material. Refraction light and sound reflection and refraction gcse. Many nuclei of elements in the periodic table are stable but some are unstable. How light travels light waves ks3 physics revision.
The idea is read the information and than print the quiz sheet and try the questions. Draw in the reflected rays from these incident rays, making sure angle of incidence angle of reflection. When light propagates in a transparent material medium, its speed is in general less than the speed in vacuum c. May 24, 2017 x rays and gamma rays 4 a x rays and gamma rays are both ionising radiations. Gcse physics question paper unit 03 physics june 2016. Optics questions with solutions and explanations at the bottom of the page.
Physics notes form 1 free download kcse revision notes pdf. Easytounderstand homework and revision materials for your gcse physics single science other 91 studies and exams. It has the symbol 14 6 c a i the number of nucleons in a carbon14 nucleus is 1 a 6 b 8 c 14. An interesting consequence of this is that a light ray will change direction when passing from one medium to another. Gcse physics reprint edition by tom duncan author visit amazons tom duncan page. Unit physics p1 physics unit physics p1 friday 20 january 2012 9. Book 5 in the light and matter series of free introductory physics textbooks. If an opaque object on the path of light becomes very small, light has a tendency to bend around it and not walk in a straight line an effect known as the diffraction of light. All text is lifted from and of chapter of edexcel igcse physics and the accompanying revision guide. Gcse physics foundation tier unit physics p3 friday 17 june 2016 morning time allowed.
The light rays refract into the optical fibres at different angles when the pulse is sent. Digital photography when images are formed on the light sensitive screen and stored electronically. Igcse physics book free download pdf gcecompilation. Pearson edexcel level 1level 2 gcse 9 1 in physics 1ph0. This pdf textbook covers all the core and supplement material and can be used by students following both the core and extended syllabuses. The diagram shows two rays of light leaving the object and reaching the lens. All of the light rays bounce off them at the same angle. Kinetic theory states of matter, solids, liquids, gases.
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