M13/4/PHYSI/HPM/ENG/TZ1/XX 22136507 Physics higher level PaPer 1 Monday 6 May 2013 (morning) 1 hour INSTRUCTIONS TO CANDIDATES • Do not open this examination paper until instructed to do so. • Answer all the questions. • For each question, choose the answer you consider to be the best and indicate your choice • A clean copy of the Physics Data Booklet is required for this paper. • The maximum mark for this examination paper is [40 marks]. on the answer sheet provided. 2213-6507 18 pages © International Baccalaureate Organization 2013 – 2 – 1. M13/4/PHYSI/HPM/ENG/TZ1/XX The mass of an elephant is 104 kg. The mass of a mouse is 10–2 kg. What is the ratio mass of the elephant ? mass of the mouse A. B. C. …show more content…
A standing wave of frequency f is established in air in a pipe open at one end, as shown. Which of the following is the frequency of the next highest harmonic? A. B. C. D. f 3 f 2 2f 3f 2213-6507 – 7 – M13/4/PHYSI/HPM/ENG/TZ1/XX 14. A sample of hydrogen on Earth emits a spectral line that is measured by an Earth observer to have wavelength 500 nm. The same spectral line is emitted by a galactic source that is moving away from Earth at speed of 0.1c. What is the wavelength of the galactic spectral line that will be measured by the Earth observer? A. B. C. D. 50 nm 450 nm 550 nm 5000 nm 15. A parallel beam of monochromatic light of wavelength λ passes through a slit of width b and forms a diffraction pattern on a screen far from the slit. The angle at which the first diffraction minimum is formed is θ. b θ θ screen Which of the following changes in λ and b, carried out separately, will increase the value of θ ? λ A. B. C. D. decrease increase decrease increase b increase increase decrease decrease 2213-6507 Turn over – 8 – M13/4/PHYSI/HPM/ENG/TZ1/XX 16. Two coloured point sources are observed through an optical telescope. Which of the following colours for the sources would best allow their images to be resolved? A. B. C. D. Blue Green Red Yellow 17. Unpolarized light of intensity I0 is transmitted through a polarizer which has a transmission axis at an angle θ to the vertical. The
Johnson, E. D. (2013). Problems with the Standard Model. Retrieved 8 11, 2015, from Physics: ffden-2.phys.uaf.edu
Physics is a scientific field of study that focuses on matter and energy through space and time. Broad, almost philosophical, questions are asked in the study of physics such as 'How does the universe behave? ' and 'Why do atoms move? ' Possibly one of the oldest academic disciplines, physics is an innately complex field. This is a possible reason that many students have trouble grasping major concepts within physics. Numerous students have difficulty approaching physics, unsure of how to study, understand, or apply the concepts that they are learning. Two research articles discuss this complexity of physics education. The first, written by Danielle Harlow and Valeria Otero, titled Talking to Learn Physics and Learning to Talk Physics,
Questions 1 to 20: Select the best answer to each question. Note that a question and its answers may be split across a page
Select the best answer A, B, C, or D and put your answers in the accompanying answer key file
If Earth were farther from the sun, which change would be more likely to occur?
The laws of physics have a significant impact in our daily lives. However, many people aren’t even aware of how physics impacts their lives. As the semester progresses, I have begun to notice the critical role physics play within my life. A few aspects of physics that I’ve noticed in my life are motion, dimensions, vectors, and displacement. Ultimately, physics is constantly acting around us. There are many examples that involve physics such as automobiles, the process of going for a small walk, electricity, and even eating food. Let’s discuss about how physics is involved in our daily activities.
After this, the wavelengths corresponding to all possible transition lines were calculated for three values of the magnetic field strength – 0 T, 0.5 T, and 1 T. This was done for both the yellow light and the green light, and
MC For the pressure–depth relationship for a fluid [pic] it is assumed that (a) the pressure decreases with depth, (b) a pressure difference depends on the reference point, (c) the fluid density is constant, (d) the relationship applies only to liquids. (c)
1. An ion is an atom/molecule that contains a net charge because of the loss/gain of either one or many more electrons.Ions are different from other atoms of the element since they either contain an extra/missing electron in their valence shells. Ions interact with other ions through ionic bonds. When the charge of an atom is positive then the ion is specifically known as a cation. An anion is a negatively charged ion. Since these ions have opposite charges, these cations and anions attract each other. Polar substances would interact with ions because when two or more atoms form a bond the resulting molecule will be either nonpolar or polar. The polar ions will be able to interact with these polar substances since they are both “water-loving.” Non-polar substances also interact with ions since the ending result of two or more atoms bonding could be non-polar. Since the substance and the ion are both non-polar, they are able to interact. We could tell if an atom would be likely to form an ion when it gains or losses one or more electrons.
The Specimen Examination Paper is set out in exactly the same way as the actual examination paper will be, with the same sections, each containing three choices. As set out on page 3, in the actual exam we will include a list of titles of the chapters and the audio-visual bands. We hope that these will be useful memory aids, if required. These notes do not advise you on how to go about your revision of the course. This is something that your tutor will help you with. However, the structure and requirements of the paper may help to inform what you do and what you concentrate on. The end-of-course examination is part of the assessment of U212 and contributes to 50 per cent of your overall course score. The paper is divided into four sections which relate to the four blocks of the course. Each section contains three questions, each addressing a significant body of material. Some questions can be answered by drawing mostly on a single unit of work within the block and others invite you to range more widely over the block. For a number of the questions there is scope to draw on material from outside the block immediately concerned, so although the paper is structured in this way you should not feel
Being born in a family of physicists I was fond of science from my childhood. Even when I was a little girl, my favorite toys have all been mechanical. Their inside was always a tempting mystery for me. Later on, the questions I asked myself have progressed to more sophisticated ones, usually dealing with nature phenomena around me - like why the sky is blue, how clouds or rainbow form, what the lightning is and so on. Fortunately, my parents were able to help me with providing the answers to some of those questions, or in some cases providing me with references on how to manage myself. Since we had a pretty extensive library at home, soon I was reading books like Swarz �Unusual physics of usual
Force uncertainty: The least count of the Newton meter that I used is 0.25N. Although the interspace of each scale is wide enough for me to determine, I was not able to control the tension force which I act on the Newton meter. This created the uncertainty of the force measurement. By noticing the fluctuation of the indicator, I estimate the uncertainty of the force is about 0.05N.
Wherever and whenever possible, our group intends to use Unity engine’s built-in physics. This is because we have determined it to be the easiest way going forward. No member of our group has a heavy physics background, and we are confident that Unity can handle most of the heavy lifting. Details of all the major physics we believe are needed for our game are detailed below. This includes the answer to questions like: how will it be used in our game and do we plan to use Unity to handle its implementation or our own scripts.
As the name suggests, there are no basic guidelines for these algorithms, hence it is unsupervised. These algorithms can be used to discover various pattern, divide the data into various clusters, reducing the dimensionality of the dataset for viewing, which may help researchers in better understanding of the physics of the problem. Here, an expert needs to be careful while choosing a certain algorithm and associated parameters for a specific case. Additionally, an expert needs to be very careful while interpreting the findings from these algorithms. One must use the technical aspects regarding the basic physics of the problem so that their results are meaningful and for it to be accepted by the materials research specialists for