What is Exam: Definition and 917 Discussions

A test or examination (informally, exam or evaluation) is an educational assessment intended to measure a test-taker's knowledge, skill, aptitude, physical fitness, or classification in many other topics (e.g., beliefs). A test may be administered verbally, on paper, on a computer, or in a predetermined area that requires a test taker to demonstrate or perform a set of skills.
Tests vary in style, rigor and requirements. There is no general consensus or invariable standard for test formats and difficulty. Often, the format and difficulty of the test is dependent upon the educational philosophy of the instructor, subject matter, class size, policy of the educational institution, and requirements of accreditation or governing bodies.
A test may be administered formally or informally. An example of an informal test is a reading test administered by a parent to a child. A formal test might be a final examination administered by a teacher in a classroom or an IQ test administered by a psychologist in a clinic. Formal testing often results in a grade or a test score. A test score may be interpreted with regards to a norm or criterion, or occasionally both. The norm may be established independently, or by statistical analysis of a large number of participants.
A test may be developed and administered by an instructor, a clinician, a governing body, or a test provider. In some instances, the developer of the test may not be directly responsible for its administration. For example, Educational Testing Service (ETS), a nonprofit educational testing and assessment organization, develops standardized tests such as the SAT but may not directly be involved in the administration or proctoring of these tests.

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  1. marellasunny

    Why I failed an exam? (problem solving vs lecture note reading)

    I failed an exam recently,90% of which comprises solving numerical problems based on formulae.(mechanical engineering) During this recent exam,I remembered the formulae well but didn't know how to connect them to the given problem. (although I use formulae in work everyday and have no problems...
  2. B

    How to Prepare for a Quantum Mechanics Exam with Limited Resources?

    Homework Statement I've never had an exam before in this format. It's 50-min long for Quantum I. It will be mostly short answer with small computations. It's supposed to test our conceptual understanding. I've been reviewing my notes, making sure I harp on the central ideas of quantum...
  3. I

    Is this Fourier Series exam question solved correctly?

    Homework Statement Hi - as part of my revision I have been looking at previous exam papers and came across this question on Fourier Series. I have scanned the question in as well as my attempt at a solution. I am hoping that my solution is correct, but if anyone can find an error in it or...
  4. X

    Prepare for Ph.D Qualifying Exam in Electrical Engineering

    Hello, So here is my story.. I will have a bachelors degree in Applied Physics in May. My favorite topic in Physics has always been electromagnetics so I have taken more advanced courses in EM theory than the typical physics student. I got offered a job at Penn State (from a connection...
  5. R

    Derivatives Please, help me, I have an exam tomorrow

    f(x)=5x^3+6x^2-3x+lnx (lnx)`=1/x f(x)=2x^4+3x^2+ cosx (cosx)`=-sinxI know that if I only have x, like 3x, then x disappears (correct me if I'm wrong). So what happens with lnx if x disappears? Same thing with cosx. The lesson is extreme values of functions and i saw critical points mentioned...
  6. N

    Need help with Vertical Velocity I have an exam tomorrow >.<

    Need help with Vertical Velocity! I have an exam tomorrow >.< I went to a tutor yesterday to get it all worked out, but I forgot to write down D in my notes! How do I solve for D? I have the answer, but no equation to work it. You jump horizontally with a speed of 2.7 m/s off a diving board...
  7. S

    F=MA 2009 Exam # 18 (Pendulum, a small peg, and mass m)

    Homework Statement https://aapt.org/physicsteam/2010/upload/2009_F-maSolutions.pdf # 18 Homework Equations T = 2∏√(L/g) The Attempt at a Solution Honestly, I'm not sure how at all to do this question. All I know that the distance from the small peg to mass m is L/3 - so that should...
  8. S

    2009 F=MA Exam #6 (Conceptual Velocity Question)

    Homework Statement An object is thrown with a fixed initial speed v0 at various angles α relative to the horizon. At some constant height h above the launch point the speed v of the object is measured as a function of the initial angle α. Which of the following best describes the dependence of v...
  9. S

    F = MA 2010 Exam # 24 (MoI after shift in CoG)

    Homework Statement http://www.aapt.org/physicsteam/2010/upload/2010_FmaSolutions.pdf See Number 24Homework Equations CoM = M1x1 + M2x2 / (M1+M2) MOI_disk: 1/2mr^2 The Attempt at a Solution So what I was thinking was find the new CoM then use the parallel-axis theorem. To find the new CoM: MsXs...
  10. S

    F = MA Exam 2010 #'s 15,16 (Two mass system with initial velocity)

    Homework Statement See: http://www.aapt.org/physicsteam/2010/upload/2010_FmaSolutions.pdf #15, 16 Homework Equations U_o + K_o = U + K v_CoM = vM1 + vM2 / (M1 + M2) The Attempt at a Solution I thought that for 15 it was simply: 1/2mv^2 = mgh h = v^2/2g But this is wrong, so...
  11. S

    F = MA Exam 2011 # 13 (Rotation/Rolling)

    Homework Statement https://aapt.org/physicsteam/2012/upload/exam1-2011-1-3-answers_1.pdf Number 13 Homework Equations Rolling objects: E = 1/2mv^2 + 1/2Iw^2 I_cylinder = 1/2mR^2 Torque = rf(perp) Torque = Iω = rfsinθ The Attempt at a Solution No idea how to proceed. Most likely...
  12. S

    F = ma Exam 2011 # 12 (Gravitational Attraction of Rods and Balls)

    Homework Statement 12. You are given a large collection of identical heavy balls and lightweight rods. When two balls are placed at the ends of one rod and interact through their mutual gravitational attraction (as is shown on the left), the compressive force in the rod is F. Next, three...
  13. S

    F = ma 2011 Exam #9 (Ideal Spring problem)

    Homework Statement 9. A spring has an equilibrium length of 2.0 meters and a spring constant of 10 Newtons/meter. Alice is pulling on one end of the spring with a force of 3.0 Newtons. Bob is pulling on the opposite end of the spring with a force of 3.0 Newtons, in the opposite direction...
  14. S

    F = MA 2011 Exam # 8 (Fraction of an object above surface of water)

    Homework Statement 8. When a block of wood with a weight of 30 N is completely submerged under water the buoyant force on the block of wood from the water is 50 N. When the block is released it floats at the surface. What fraction of the block will then be visible above the surface of the...
  15. S

    F = MA 2012 Exam # 19, 20 (Using Graphs)

    Woops, it's the 2010 exam -- my bad.Homework Statement They have diagrams that I'm not sure how to display; so find them at the following link: https://aapt.org/physicsteam/2010/upload/2010_Fma.pdf These are #'s 19 and 20 and they refer to the PE graph in 18. Homework Equations Not sure...
  16. S

    F=MA 2012 Exam #19: Find Pipe Radius

    Homework Statement 19. A 1,500 Watt motor is used to pump water a vertical height of 2.0 meters out of a flooded basement through a cylindrical pipe. The water is ejected though the end of the pipe at a speed of 2.5 m/s. Ignoring friction and assuming that all of the energy of the motor goes...
  17. V

    How Does Friction Affect the Acceleration of Stacked Blocks?

    Homework Statement A block of mass m1 is on top of a block of mass m2. The lower block is on a horizontal surface, and a rope can pull horizontally on the lower block. The coefficient of kinetic friction for all surfaces is μ. What is the resulting acceleration of the lower block if a force F...
  18. S

    F = MA Exam 2012 # 23 (Measuring local gravitational acceleration)

    Homework Statement Which of the following sets of equipment cannot be used to measure the local value of the acceleration due to gravity (g)? (A) A spring scale (which reads in force units) and a known mass. (B) A rod of known length, an unknown mass, and a stopwatch. (C) An inclined...
  19. S

    F = MA Exam 2012 #3 - (Triangle toppling down a plane)

    Homework Statement 3. An equilateral triangle is sitting on an inclined plane. Friction is too high for it to slide under any circumstance, but if the plane is sloped enough it can “topple” down the hill. What angle incline is necessary for it to start toppling? (A) 30 degrees (B) 45 degrees...
  20. S

    2012 F = MA exam #10 - (Rolling without slipping down a ramp)

    Homework Statement Four objects are placed at rest at the top of an inclined plane and allowed to roll without slipping to the bottom in the absence of rolling resistance and air resistance. • Object A is a solid brass ball of diameter d. • Object B is a solid brass ball of diameter 2d. •...
  21. B

    Why Is PET Imaging Contraindicated for Patients with Titanium Dental Implants?

    19. Which imaging method is contraindicated (not allowed) for patients with a titanium dental implant? a) CT b) MRI c) PET d) SPECT e) mammography I thought the answer was MRI, but the correct answer is PET. Can anyone explain why this is. Thanks.
  22. B

    Velocity of flow exam question

    Water flows through a rigid tube, the radius of which is 1 cm. What will be the velocity of flow in a part of the tube with a radius of 3 cm? Please show your working and any equations that you use, no matter how basic you think it is. If there is no working to show then just explain how you...
  23. O

    First Year Physics Exam Prep: Challenging Problems Across Multiple Topics

    ΔHomework Statement I'm preparing for my first year university physics exam and was wondering if the PF community could give me some 'more difficult' problems that I could work on. If you could can the problems involve combinations of topics (ex. relative motion, kinematics, dynamics...
  24. O

    Capacitor circuit exam question

    Homework Statement Attached is the problem. This is the June 2010 AS Physics exam unit 4 question 16 (Edexcel) Homework Equations See the attachments. The Attempt at a Solution Q 16. (a) The voltage is always positive and so although the current must vary it is always positive and so the...
  25. M

    IT Exam Prep Help: Ace Your Final High School Exam in South Africa

    Homework Statement I am writing an IT exam next week, in my country, South Africa. It is my final high school exam. This paper tests theory about computer software and hardware. The testers usually ask quite a bit about random stuff that is not always in the textbooks, like what is a wiki...
  26. I

    I have a big exam on Wednesday. It's the last one before the drop

    I have a big exam on Wednesday. It's the last one before the drop date. I just need all of the help I can get. Any help would be appreciated. Here is where I am right now: I want at least a B on this test. Made very bad grades on first two tests. However, if I get good marks on last two...
  27. N

    MLE for Uniform(-A,A) - exam today

    So my prof. has not replied to my e-mail, so I was wondering if someone here can help me understand why the MLE for a random variable X~Unif(-θ,θ) is max|Xi|. Attached is the problem as well as my attempt for the solution. Here is my thought process: Upon sketching the graph, I thought the...
  28. Q

    Capacitor Resistors problem, , exam preparation

    Capacitor Resistors problem, URGENT PLZ, exam preparation Homework Statement In the following transient circuit, assume at t<0, the circuit is at steady state. Assume vc(t) is the voltage across the capacitor and v0 (t) is the output voltage as shown: Find (a) vc(0+) (b) vc(∞) (c)...
  29. A

    Understanding Poisson Brackets in Symplectic Notation

    Okay there is a particular equation in my book, which I just can't seem to understand intuitively. I've been staring at it for an hour now without progress, so I hope some of you can explain it. Basically it's the one on the attached picture. Let me introduce the notation so you can help me...
  30. nukeman

    How Do I Differentiate the Term 6xy in an Implicit Differentiation?

    Homework Statement Hey all! Ok, doing a simple implicit differential. x^3 + y^3 = 6xy The 6xy is messing me up! How do I differentiate that?? The book says 6xy turns into 6y + 6xy' I do not understand how to differentiate 6xy (how the x and y are stuck together) Ok...
  31. R

    Testing Exam Failure: Coping with Setbacks and Learning from Mistakes

    I think I just failed an exam :( Ok so I am realistic about my life. I know I'm pretty much a failure. Anyway I had a lot of luck about 4 years ago and got into a great job as a data analyst. It suits me 100% at this stage as I get to do things which interest me, write code ect, basically I...
  32. P

    OL Exam Question on Relative velocity

    correction -->it should be a high-level exam question. Homework Statement Two ships A and B move with constant speeds 48 km/h and 60 km/h respectively. At a certain instant ship B is 30 km west of A and is traveling due south. Find (i) the direction A should steer in order to get as close as...
  33. A

    Testing F=ma Exam: FAQ on International Administration for US Citizens

    Hello, I have a question regarding the F=ma exam. I am a US citizen living abroad for the past few years, and I was wondering if the exam is administered outside the US. I don't really fall under the needed category in my current country. Thanks!
  34. N

    Testing How to Study for a Classical Mechanics Exam?

    I am writing to ask you for advice on how I should go about studying for the upcoming Classical Mechanics exam. I would only be satisfied to get an A, nothing less, so I am willing to work hard. Although I realize that preparing for the midterm exam begins when the semester starts, I don't feel...
  35. R

    Testing How can I bounce back from a bad grade on my first Physics exam?

    Hey everyone, So I got a D+ on my first Physics exam. I always have a goal of achieving straight A's in a semester and now I feel that that's gone down the drain. Maybe one of you guys can help me out here. The worst test (out of 3) is only worth 10% of my final grade (assuming that this test...
  36. L

    How to properly prepare for org. Chemistry exam?

    Hi, First of all, I don't have much difficulties learning stuff for exams in general. Though, organic chemistry seems to be the hardest subject I ever had. Not because I find it too difficult to understand, it's because of the quantity. I don't really know how to properly prepare for my exam...
  37. I

    Relative velocity practice exam question

    Homework Statement I would like to check my answers for #3 on this practice exam: http://cyclotron.tamu.edu/dhy/sample_exam1_phys218.pdf Homework Equations The Attempt at a Solution b) v(plane-wind)x = 30cos30 v(plane-wind)y= 30sin30 + 160 c) 8.44° East of North d) 1.4...
  38. G

    Testing Screwed up Abstract Algebra exam unsure if I have the ability to do math.

    After getting back a result in an Abstract Algebra exam (In which I only got 70%), a result just below the class average I am having extreme doubts about my ability to become a mathematician. The real shock was that I believed I understood the material well enough to get at least 90%. I am...
  39. M

    Question: Is n1xn2 = 0 if n1xn2 does not intersect the plane?

    Homework Statement I just remembered another question that I wasn't to sure about 1) if n1xn2 does not intersect the plan then n1xn2=0 I chose false for this one. thoughts? Homework Equations The Attempt at a Solution
  40. M

    True or False: Magnitude (v+v) = 2*Magnitude (v)

    Homework Statement So I took my calc 3 exam today and had this question true or false magnitude ( v+v) = 2*magnitude( v) I put true. Thoughts? Homework Equations The Attempt at a Solution
  41. S

    How to calculate percentage of exam mark?

    lets say? Exam worth: 70% exam percentage scored: 40% what is the exam mark?
  42. P

    Studying Preparing for a Physics Exam: Tips and Tricks from Experienced Students

    Greetings everyone, This is my first time ever taking a physics class. It is calculus based college class but not for engineers. In general, what is the best method to prepare for a physics exam? Because I have never taken one, I am not sure how they are typically formatted and such...
  43. N

    Exam question about Conservative Forces

    Homework Statement (This was a problem in an examination test of physics) Problem: point 1) Make an example of conservative force; point 2) Write the vectorial expression point 3) Choose a coordinate system and find the expression of the potential energy in a generic point in the space...
  44. I

    Testing What score do I have on this AP Calc AB practice Exam?

    I've been self studying AP Calc AB over this past month, and I just took a practice AP Exam. It is the first AP Calc AB test in the princeton review's ap calc book 2010 edition. I got 31/45 on the MC and roughly 50% of the FRQ's correct. Could someone estimate what I got between 1-5? Thanks!
  45. N

    IPhO experimental exam preparation

    hey i am from India is there any any good book dealing with problems similar to experimental part of physics olympiad which is available in india. or any site which has videos on physics experiment.
  46. D

    Testing What is the best training strategy for success on the Putnam Exam?

    Could anyone Putnam veterans or Putnam coaches tell me what the real per-requisites are to succeed in the Putnam exam? Because they say the Putnam exam only requires Calculus and I think that's completely garbage. What courses should one have in his arsenal if he wishes to be successful in...
  47. S

    Testing I failed in my engineering exam

    Hi all, I remember my school days when i used to be a very excellent student of my class. I got admission in an engineering institute. I moved to other city for my studies. I rented a room to live in that strange new crowded city. No mom there. I've always been a mamma's boy. With the help...
  48. S

    Testing What's difference between SAT and GRE exam?

    i want to submit to some universities like as Cambridge, Harvard, Stanford and ... application requirement for these universities are SAT general and subject, but I don't anything about this exam. can you help me
  49. B

    ACS Organic Chemistry Exam: Unlock the Mystery!

    Hi all, I would like to take an official version of the ACS exam for Organic Chemistry, but I cannot find out how to do this. I took an old version as part of my 2nd Semester Community College OChem Final, but those scores don't count officially. I really want to take a current version soon...
  50. B

    Confused about what my exam board wants

    I'm doing AQA Physics A unit 5 next Monday, and I've been doing some past papers but I'm not sure about how to answer questions on the energy released in nuclear reactions. The mark schemes say that the energy released is equal to the change of binding energy per nucleon but I thought that the...
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