A. momentum, electric field strength, displacementB. Some examples are given in the tables in the orders of magnitude section. The two trailing zeros are not significant. What is the unit of electrical energy in fundamental SI units? Topic 1: Stoichiometric Relationships. MomentumC. Physical measurements are sometimes expressed in the form x±Δx. Fundamental SI units Derived units are combinations of fundamental units. If there is one topic that you need to review, use the Command + F function on your keyboard to search this guide for that topic. random uncertainties but no systematic uncertainties.C. The measurement of gravitational force acting on the object has an uncertainty of 3 % and the uncertainty in the mass of the object is 9 %. kg–1s–3. How many significant figures are there in the number 0.0450? A. VelocityB. What is the magnitude of the component in the direction XZ? Some examples are: For a certain value, all figures are significant, except: When multiplying or dividing numbers, the number of significant figures of the result value should not exceed the least precise value of the calculation. IB Physics-Topic 1 study guide by kacade includes 38 questions covering vocabulary, terms and more. Topic 8: Energy Production. D. 0.16mm. [IB Physics SL + HL Topic 1 Revision] 1.4 Absolute fractional percentage uncertainty - Duration: 7:38. For example: 1. Some examples are: In scientific notation, values are written in the form a*10^n, where a is a number within 1 and 10 and n is any integer. IB DP Physics-Topic 1: Physics and physical measurement SL Paper 1 Which of the following will reduce random errors in an experiment? Because of eLearning, I have been working on animating slides and creating video lectures for the entirety of the IB Physics curriculum. The charge of one electron is equal to 1.6*10^-19C. Old syllabus table of contents. Vectors that form a closed polygon (cycle) add up to zero. While charges could migrate from one body to another, the total charge remains the same. C. measurements are precise but not accurate. Which of the following gives the area of the square and its uncertainty? Line of best fit: The straight line drawn on a graph so that the average distance between the data points and the line is minimized. What is the unit of k? IB Physics - Topic 1 - Physics & Physical Measurement Learn with flashcards, games, and more — for free. 7.0m s–1 B. newtons (N). Aiming for the centre of a target, an archer fires arrows which produces a pattern of hits as shown below. kg ms–1D. The masses and weights of different objects are independently measured. A majority of candidates clearly had not translated the absolute uncertainties into percentages. 8%. kg m2s–1C. Which of the following gives the correct number of significant digits for the calculated value of the displacement of the object? Use this as a reference should you need assistance with metrics! What is the uncertainty in the volume of the sphere?A. Candidates appeared to have added the absolute uncertainty rather than adding the relative uncertainty as the approximation for finding the uncertainty in multiplication. p = rq+sC. Dalton's atomic structure (1808) All matter consists of atoms. Using an instrument having a greater precision, B. It should be noted that ‘electric field strength’ is a vector quantity. B. measurements show a significant random error but small systematic error. The uncertainty in the intercepts of a straight line graph: The difference between the intercepts of the line of best fit and the maximum/minimum line. kg m2 s–1, A body accelerates from rest with a uniform acceleration a for a time t. The uncertainty in a is 8% and the uncertainty in t is 4%. kgm2s–1C. Elements consist of atoms. To reduce the risk of parallax error when reading the scale, C. To enable the pointer to be seen from different angles. Which arrow represents the direction of the vector vX – vY? In scientific notation, this is expressed as 3*10^8. 3 1.1.2 State the ranges of magnitude of distances, The graph shows the relationship between two quantities p and q. Get IB Physics quizzes, solved past papers and more lectures for FREE with my new course: https://studynova.com/courses/physics The uncertainty in the value of l is 2% and the uncertainty in the value of t is 5%. where ηη is a constant. 25 ± 2 cm2D. Both IB Physics SL and HL consist of the same core requirements that consist of the same number of hours. For example, 10±1 would mean a range from 9 to 11 for the measurement. Summary of the most important ideas from Topic 2.1 of the IB Syllabus on Motion. Option C was more popular than the correct response A. Which of the following lists two scalar quantities? 2%B. The spring-mass system, where the mass is initially displaced to produce a periodic motion around the equilibrium position An object undergoes SHM if it experiences a force which is proportional and opposite of the displacement from its equilibrium position. It is clear (also from paper 2) that many candidates are not comfortable with percentages. A velocity of 5 m s−1 can be resolved along perpendicular directions XY and XZ. The acceleration of free fall g is determined by the relationship g=4π2lt2g=4π2lt2. Printable Version. Can be reduced by averaging over repeated measurements. An object slides down an inclined plane that makes an angle θ with the horizontal. The graph shows a set of experimental results to determine the density of oil. C. 0.16m. A. Maximum/Minimum line: The two lines with maximum possible slope and minimum possible slope given that they both pass through all the error bars. acceleration, energy, momentumC. ... ib-physics.net is a student initiative to provide free material to help international students prepare for the IB exams. A car moves north at a constant speed of 3m s–1 for 20s and then east at a constant speed of 4m s–1 for 20s. 25 ± 4 cm2. 2.4 – Momentum and impulse. Electric charge is always conserved. Topic 1 - Physics and Physical Measurement; Topic 2 - Mechanics; Topic 3 - Thermodynamics; Topic 3 - Thermal Physics; Topic 4 - Oscillations and Waves; Topic 5 - Electric Currents; Topic 6 - Fields and Forces; The amplitude x0 of the oscillation has a percentage uncertainty of 20%. The speed of light is 300000000 (m/s). momentum, displacement, pressureC. A. To provide extra light when reading the scale, B. As the weights of different objects are plotted against the corresponding masses of those objects, it is expected that the data plotted would yield a best fitting straight line that passed through the origin. The interference pattern from the slits is observed from a satellite orbiting 0.4Mm above the Earth. Which of the following gives the direction of this force to ensure that O is in equilibrium? Caused by fluctuations in measurements centered around the true value (spread). Centripetal force and gravitation. The molar mass of water is 18gmol–1. A quantity which is defined by both is magnitude and direction. Clearly the required component also becomes zero, in which case neither B nor C can be correct. Topic 1: Measurements and Uncertainties; Topic 2: Mechanics; Topic 3: Thermal Physics; Topic 4: Waves & Topic 9: Wave Phenomena (AHL) ... IB Physics notes 7; Documents Topic Outline 7 Worksheet and answers. (adsbygoogle = window.adsbygoogle || []).push({}); The best estimate for the time it takes light to cross the nucleus of the hydrogen atom is. The period is independent of the amplit… The resistive force F acting on a sphere of radius r travelling with speed v through a liquid is given by the equation. Some examples are: 1. m/s (Unit for velocity) 2. Which of the following is a fundamental SI unit? The constant speed of the stone is v. The diagram below shows the stone in two different positions, X and Y. electric current, electric field strength, impulse. What is the average speed of the car during this motion? Topic 2: Atomic Structure. systematic uncertainties but no random uncertainties.D. When resolving vectors in two directions, vectors can be resolved into a pair of perpendicular components. A. kgm–1s–2B. Topic 7: Atomic, nuclear and particle physics, Topic 12: Quantum and nuclear physics (HL). Which of the following is a derived unit? 25.0 ± 0.4 cm2C. It may be a good idea for teachers to make sure their candidates can perform simple percentage calculations without recourse to a calculator. In scientific notation, one cm is expressed as 1*10^-2 m. Trailing zeros if this value does not have a decimal point, for example: 12300 has 3 significant figures. What is the order of magnitude of the mass, in kg, of an apple? The uncertainty in a is negligible. What is an estimate of the change in momentum of the boy when he lands without rebounding? Motion of charged particles in fields (see Physics sub-topics 5.4, 6.1, 11.1, 12.2) Application of friction in circular motion (see Physics sub-topic 6.1) Construction (considering ancient and modern approaches to safety, longevity and consideration of local weather and geological influences) Consideration of units leads to C. It is not necessary to know the formula for the volume of a sphere. The speed of light is 300000000 (m/s). A. measurements show a significant systematic error but small random error. 8.1 Energy Production. A. The two leading zeros are not significant. Response B proved to be a popular distracter, particularly at SL, with candidates failing to spot that squaring the time doubles its uncertainty. The radius of a sphere is measured with an uncertainty of 2%. Which of the following contains one fundamental and one derived unit? Given that the best fitting line for the data plotted is straight but does not pass through the origin and that the uncertainty bars are small, it is indicated that the measurements show a significant systematic error but a small random error. In scientific notation, this is expressed as 3*10^8 2. Charges with the same sign repel each other and changes with the opposite sign attract. kg m–2D. Start studying IB Physics: Topic 1. Some examples are: 1. kg m2 s–1 A. The diagram below shows the forces acting on a block of weight W as it slides down a slope. The uncertainty in the speed is. A stone attached to a string is moving in a horizontal circle. What is the correct estimate of the number of water molecules in the swimming pool? Quizlet flashcards, activities and games help you improve your grades. Which of the following expresses the watt in terms of fundamental units? ). 4%C. Orders of magnitude are used to compare the size of physical data. The component of the velocity in the direction XY is of magnitude 4 m s−1. A. p = sq+rB. ... ib-physics.net is a student initiative to provide free material to help international students prepare for the IB exams. The forces are in the plane of the page. IB PHYSICS SL ASSESSMENT STATEMENTS Topic 1: Physics and physical measurement (5 hours) 1.1The realm of physics 1 hour Assessment statement Obj Teacher’s notes Range of magnitudes of quantities in our universe 1.1.1 State and compare quantities to the nearest order of magnitude. 5.0m s–1C. J (kg*m^2/s^2) (Unit for energy) In scientific notation, values are written in the form a*10^n, where a is a number within 1 and 10 and n is any integer. Two pulses are travelling towards each other. Estimations are usually made to the nearest power of 10. Derived units are combinations of fundamental units. D. weight of an object is proportional to its mass. The gradient of the graph is r and the intercept on the p axis is s. Which of the following is the correct relationship between p and q? p = rs+q. The weight of the object is W. Which of the following is the magnitude of the component of the weight parallel to the plane? Simple harmonic motion (SHM) is a special type of oscillation. 2.2 – Forces. The unit of electric charge is coulomb (C). The length of each side of a sugar cube is measured as 10 mm with an uncertainty of ±2 mm±2 mm. 2.3 – Work, energy, and power. What is the uncertainty in the gravitational field strength of the field? The simple pendulum 2. A. What is the uncertainty in the volume of the cube? 1.1 States of Matter. Checking the calibration of the instrument used, C. Checking for zero error on the instrument used, IB Physics Study Guide and Notes for SL/HL (2020-2021), NCERT Solutions Class 10 Science (Physics,Chemistry, Biology). Micro Quizzes: Topic Quizzes : Ad: NEW! A simple teaching strategy for such situations is to invite the candidates to consider what happens if the angle is zero. What is the uncertainty in g? The length of the side of a cube is 10.0 ±0.3cm. The results have systematic errors and random errors. Circular motion and centripetal acceleration: Centripetal force and … These experimental results suggest that the. A. force, mass, timeB. Specific energy (E S): "Amount of energy a fuel releases per unit mass", in J kg^-1. The vector diagram shows two forces acting on a point object O. Which of the following gives the resultant force on the block? A volume is measured to be 52 mm352 mm3. 6%D. Compound consist of atoms of more than one element. The uncertainty in the gradient: The difference between the gradients of the line of best fit and the maximum/minimum line. An object is positioned in a gravitational field. Acceleration. A centimeter (cm… What is the direction in which the boat must be steered? IB Physics Questions Self-marking revision quizzes. 0.16Mm.B. The class will be covered the essential knowledge of Topic 1: Measurements and Uncertainties in IB Physics. The angle between the slope and the horizontal is θ, the normal reaction force on the block from the slope is N and friction is negligible. 1.1 Measurements: 1.2 Errors: kg m2 s–2C. Type “Relativity” and it will bring you to all of the material for Relativity.If you are looking for overall study material for the IB Physics Exam, skip to the end of this guide to the Overall Reviews section for great over… IB PHYSICS SL PAPER 1 & 2 TZ2 MAY-JUNE 2018 DETAIL SOLUTION AVAILABLE IB PHYSICS SL PAPER 1 & 2 TZ2 MAY JUNE 2018 SOLUTION Electric charge can either be positive or negative. kg m s–2C. An object with equal amounts of positive change and negative charge is said to be electrically neutral. 2.1 – Motion. You don’t have to take up a novel idea to outshine everyone. The two trailing zeros are significant. density, pressure, temperature. Which of the following is equivalent to the joule? The force of air resistance F that acts on a car moving at speed v is given by F=kv2 where k is a constant. A swimming pool contains 18×106 kg of pure water. Orders of magnitude are given in powers of 10, likewise those given in the scientific notation section previously. Students will be able recognise and remember the concepts in 4 main areas: A centimeter (cm) is 1/100 of a meter (m). The uncertainty in the calculated value of I2 will be. Post was not sent - check your email addresses! A boat crosses the river so that it only moves in the direction east of its starting point. The tension T in the string is measured for different speeds v. Which of the following plots should give a straight-line graph? It was surprising to see the number of candidates who clearly did not realise that the square root involves halving the percentage uncertainty. Another 5 N force is applied to O in the plane of the page. Both IB Physics SL and HL consist of the same core requirements that consist of the same number of hours. What is the correct SI unit for momentum? IB-PHYSICS. The distance between interference maxima as detected at the satellite is. Error bars are bars on graphs which indicate uncertainties. I'm a physics SL student, and I was wondering whether anyone had a compiled version of old (around 2010) physics past papers by topics. Using the information on the graph, what can be said about the measurements used to find the density of oil? IB Physics Past Papers arranged by topics Hi! Oscillations are periodic motions which center around an equilibrium position. Learn vocabulary, terms, and more with flashcards, games, and other study tools. pressure, electric current, displacementD. The displacement is calculated. Your IB Physics IA topic is the stepping stone towards nailing your Physics IB score, and this is the reason why learning at the entire process is more crucial than ever. A stone falls from rest to the bottom of a water well of depth d. The time t taken to fall is 2.0 ±0.2 s. The depth of the well is calculated to be 20 m using d = 1212at 2. A. random and systematic uncertainties.B. Which of the following is a scalar quantity? What is the fractional uncertainty in the volume of the sphere? Which of the following is a fundamental unit? The length of the cube and the diameter of the sphere are 10.0±0.2cm. Approach it conventionally to perform to your best capacity. :) 1.1: Orders of Magnitude and Estimation Handout: OM Ranges for distance, energies, mass, and time (Word Doc) 1.1: Significant Figures rules 1… ... ib-physics.net is a student initiative to provide free material to help international students prepare for the IB exams. A. kg m–1s–1B. A quantity which is defined by its magnitude only. The maximum acceleration amax of an oscillator undergoing simple harmonic motion (SHM) has a percentage uncertainty of 12%. p = rq−sD. 2.1 The Nuclear Atom. The diagram shows an analogue meter with a mirror behind the pointer. The candidates found this question difficult with the statistics indicating that many may have been guessing. The sides of a square are measured to be 5.0 ± 0.2 cm. What are the SI units of ηη? Sorry, your blog cannot share posts by email. Studynova 8,390 views. IB Physics SL and HL Core. distance, impulse, powerD. N (kg*m/s^2)(Unit for force) 3. The relationship between two sets of data can be determined graphically. A. neither random nor systematic uncertainties. If you need practice questions at the end of your physics topic, this IS the #1 site. A student measures the radius r of a sphere with an absolute uncertainty Δr. Which of the following is the absolute uncertainty in the volume of the sugar cube? About Us. kg m–2s–2. Both classes will cover the same 8 topics (requiring 95 teaching hours) in the order listed below with the same subtopics listed below: What is the best estimate for the diameter of a helium nucleus? kg m–2s2C. Δy/y=Δa/a+Δb/b (sum of fractional uncertainties), Δy/y=|n|Δa/a (|n| times fractional uncertainty). A. kg m–1B. Which of the following lists three vector quantities? 012300 has 5 significant figures. If k=√amaxx0k=amaxx0 what is the percentage uncertainty in the constant k? kg m2 s–2D. The graph is a plot of weight versus mass that includes error bars. Topic 7 ALL QUESTIONS Topic 7 ALL ANSWERS Review markscheme. Caused by fixed shifts in measurements away from the true value. Cannot be reduced by averaging over repeated measurements. The number of significant figures in any answer should be consistent with the number of significant figures of the given data in the question. Topic 1: Measurements and Uncertainties; Topic 2: Mechanics; Topic 3: Thermal Physics; Topic 4: Waves & Topic 9: Wave Phenomena (AHL) ... IB Physics notes 2; 2.4 Worked examples; Documents Topic 2 Practice Topic 2 Practice MS Topic 1 & 2.1-2.2 Review Topic 1 & 2.1 … What is a possible pulse shape when the pulses overlap? Kinetic energyD. The current I through a resistor is measured with a digital ammeter to be 0.10 A. A river flows north. kg m s–2D. SL + HL Topics. Which of the following is a unit of energy? For any feedback or comments, contact a fellow IB alumni: Maria Eduarda Lopes | Mechanics. Which of the following will reduce random errors in an experiment? 7:38. IB Physics Notes by topic. A. kg m–1 s–1B. This volume in m3m3 is. Both classes will cover the same 8 topics (requiring 95 teaching hours) in the order listed below with the same subtopics listed below: Topic #1: Measurements and Uncertainties—5 Hours for Both SL and HL A boy jumps from a wall 3m high. 1.1: Metric Conversions Note: these were not covered directly in class. 0.16km. The velocities vX and vY of two boats, X and Y, are shown. Vector addition and subtraction can be done by the parallelogram method or the head to tail method. A. kg m2 C–1 sB. Topic 1: Measurements and Uncertainties 1.1 Measurements in Physics Fundamental and derived SI units The fundamental units are the basic units of measurement of the International System of Units (SI), which combined make up the derived units, e.g. Which of the following shows the direction of the change of velocity of the stone when moving from position X to position Y? Topic 10: Fields. The vibration of strings in a violin 3. In multiplication/division, give the answer to the lowest significant figure (S.F.). They can be horizontal or vertical with the total length of two absolute uncertainties. 3.5m s–1 D. 2.5m s–1. kgm–1s–1D. An object falls for a time of 0.25 s. The acceleration of free fall is 9.81 ms−29.81 ms−2. 10.1 Describing Fields. Light of wavelength 400nm is incident on two slits separated by 1000µm. Candidates failed to recognize that the spread shown indicated that there were random errors in addition to the clear systematic error. kg ms–2. Standard and Higher Level Core. A number of candidates opted for B. For instance, if you want to study Relativity, use Command + F to bring up the search function. Equipment calibration error such as the zero offset error. What is the ratio percentageuncertaintyofthevolumeofthespherepercentageuncertaintyofthevolumeofthecubepercentageuncertaintyofthevolumeofthespherepercentageuncertaintyofthevolumeofthecube? Which of the following lists two vector quantities and one scalar quantity? Topic 3: Thermal Physics; Topic 4: Waves & Topic 9: Wave Phenomena (AHL) Topic 5: Electricity and Magnetism; ... IB Physics notes 1; Documents Topic Outline Formative 1.1 Worksheets and answers. IB Physics Review. In addition/subtraction, give the answer to the lowest decimal place (D.P. Energy measurements. B and C were commonly chosen distractors. Micro (µ) IB Mini-topic Quizzes: 10 quick questions in under 10 mins. 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