What is Multiple choice: Definition and 165 Discussions

Multiple choice, objective response, or MCQ (for Multiple Choice Question) is a form of an objective assessment in which respondents are asked to select only correct answers from the choices offered as a list. The multiple choice format is most frequently used in educational testing, in market research, and in elections, when a person chooses between multiple candidates, parties, or policies.
Although E. L. Thorndike developed an early scientific approach to testing students, it was his assistant Benjamin D. Wood who developed the multiple-choice test. Multiple-choice testing increased in popularity in the mid-20th century when scanners and data-processing machines were developed to check the results. Christopher P. Sole created the first multiple-choice examination for computers on a Sharp Mz 80 computer in 1982. It was developed to aid people with dyslexia cope with agricultural subjects, as Latin plant names can be difficult to understand and write. The first complete exam was developed at St Edwards School in Romsey, England.

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  1. Grizzly_1

    Gravitational equipotential multiple choice problem

    Hello everyone, thank you for taking your time to read this. I was assigned a homework task of multiple choice questions to do with gravitational fields. This is one of the last questions and I have been pondering over it for some time now. I don't understand how any sort of answer is...
  2. AntSC

    Acceleration-Time Graph and Velocity Multiple Choice Question

    The variation with time t of the acceleration a of an object is shown What is the change in velocity of the object from ##t=0## to ##t=6##? A. ##6ms^{-1}## B. ##8ms^{-1}## C. ##10ms^{-1}## D. ##14ms^{-1}## So apparently the answer is B, which I am having trouble reconciling. Using methods...
  3. M

    MHB Multiple choice test : random variable

    Hey! 😊 A multiple choice test consists of 10 questions. For every question there are five possible answers, of which exactly one is correct. A test candidate answers all questions by chance. (a) Give a suitable random variable with value range and probability distribution in order to work on...
  4. karush

    MHB 5 multiple choice with radio buttons and scores the selection

    \begin{Form} Let f be the function given by $f(x)=300+x^3$. On which of the following intervals is the function f increasing?\par \ChoiceMenu[radio,radiosymbol=\ding{108}, name=b] {\textcolor{white}{}}{ } $(-\infty,-10]\cup[10,\infty)$ \par...
  5. A

    MHB Multiple choice question about electric fields and magnetic fields

    Consider a region where a 25-volt-per-meter electric field and a 15-millitesla magnetic field exist and are along the same direction. If the electron is in the said region, is moving at a direction 20 degrees counter-clockwise from the direction of the magnetic field, and is experiencing a total...
  6. U

    Multiple choice Q: Mangetic fields and Spring Constant

    My attempt at a solution: Is my logic accurate/correct, and is my answer correct? I consider the forces acting to be: Restoring forces in springs parallel, and Force of the current-carrying conductor in the Magnetic field. I imagine a vertical displacement of y upwards ( direction determined...
  7. L

    Momentum and force multiple choice

    i. Rearranging the equation for kinetic energy in terms of momentum; 1/2mv^2=(mv)^2/2m=p^2/2m Inputting the values given KE=1^2/2*4kg = 1/8 J Kinetic energy of a body with twice the momentum; KE=2^2/2*2kg =1 J The ratio of the kinetic energy of the first body to the second body is therefore...
  8. AN630078

    Gravitational Field Multiple Choice Help

    1. I believe that the gravitational field strength would decrease because it is inversely proportional to the square of the distance from the centre of the Earth, g∝1/r^2. Gravitational potential energy at large distances is directly proportional to the masses and inversely proportional to the...
  9. maxelcat

    Pressure of an ideal gas -- A Level Multiple Choice Problem

  10. T

    Finite quantum well, multiple choice question

    Homework Statement:: Consider an electron trapped in a one-dimensional finite well of width L. What is the minimum possible kinetic energy of the electron? A) 0 B) Between 0 and h^2/8mL^2 C) ≈h^2/8mL^2, but it is not possible to find the exact value because of the uncertainty principle D)...
  11. karush

    MHB 9.1.317 AP calculus exam multiple choice derivatives of sin wave

    ok just posted an image due to macros in the overleaf doc this of course looks like a sin or cos wave and flips back and forth by taking derivatives looks like a period of 12 and an amplitude of 3 so... but to start I was not able to duplicate this on desmos altho I think by observation alone...
  12. B

    Voltmeter problem from (OCR paper) multiple choice

    As you can see when the switch is open it measures the voltage across the battery or emf I am assuming when calculating the internal resistance when the switch is closed voltage is 6 right so the internal resistance is 6/2 =3 which is not correct. answer is A Does this mean when the switch is...
  13. B

    Potential at a point multiple choice question ( aqa)

    I understand how they arrived at the answer of 2Q , but i have a couple of questions on this. If one of the charges were negative for example how would the resultant potential be found then? at the middle point would i add the positive charges and subtracted the negative ? Also what would the...
  14. NP04

    Simple kinematics multiple choice question

    I selected A, because the ball is merely in motion due to the force of gravity (after applied force). My teacher has not concerned us with air resistance so can someone please explain why the correct answer is C? I reasoned that gravity was always accelerating the ball at -9.8 m/s^2...
  15. K

    AP Physics C Momentum Problem: A dart launched horizonally by a spring gun

    Homework Statement A boy launches a 20 g dart horizontally by a spring gun from a balcony 45 m above the ground. The dart lands 15 m away from the balcony. If the length of the gun’s barrel is 10 cm, what is the average horizontal force applied by the spring?(A) 1.0N (B) 2.0 N (C) 2.5 N (D) 5. N...
  16. D

    Multiple choice on uncertainty

    1. A student measures the density of a metal and calculates answer to be 8543.2kgm^-1 . The result is accurate to +- 1.1% Which of the following states answer to an appropriete number of sig figs? A 8.543x10^3 B 8.5x10^3 C 9x10^3 D 8.54x10^3 2. Relative Uncertainty = Absolute Uncertainty/...
  17. EF17xx

    Standing wave in a tube -- multiple choice question

    Homework Statement The correct answer according to answer sheet is answer B. Homework Equations λn= 2L/n (both ends open) λn = 4L/n (one end open one end closed) c=λf Speed of sound does not change. as it is still in air... (correct assumption? ) The Attempt at a Solution f1= 500Hz L =...
  18. EF17xx

    Why is D the correct answer for this multiple choice question?

    Homework Statement Homework Equations Fnet= Δp/Δt p=mv The Attempt at a Solution p (before) = 0.4 x 5 = 2 p (after) = 0.4 x 3 = 1.2 Δp = 0.8 Δt = 0.2 Fnet= Δp/Δt 0.8/0.2 = 4N Correct answer in textbook is D, I do not understand why?
  19. alijan kk

    Complex number multiple choice

    Homework Statement If Z= (1)/(z conjugate) then Z : ? Homework EquationsThe Attempt at a Solution let z= a+bi the z conjugate= a-bi (a+bi)=(1)/(a-bi) (a+bi)(a-bi)=1 a2+b2=1 does it tell from this expresssion that the complex number is a pure real ?
  20. Z

    Impulse: multiple choice question

    Hi all Can anyone please help me with Q14 (attached) as you can see I am getting 167000N however the correct answer is 83000N Many thanks ZanyZoya
  21. J

    External characteristics of a DC generator are.... (multiple choice)

    Homework Statement Homework Equations The Attempt at a Solution I think External char = Magnaetic characteristics - Armature reaction drop - Ohmic drop since we're subtracting these values from voltage. But book answer is D. Magnetization char + armature reaction - Ohmic drop. Is book...
  22. J

    EMI Multiple choice question

    Homework Statement More than one options may be correct . Homework EquationsThe Attempt at a Solution [/B] Options a) and c) are correct . But I don't understand how non magnetic metal reacts to the magnetic field . Is it in some way related to ferromagnetism ? But then either both b)...
  23. J

    AC circuit Multiple choice question

    Homework Statement More than one options may be correct . Homework Equations Inductive reactance =ωL Capacitive reactance = 1/ωC The Attempt at a Solution On increasing the frequency , inductive reactance increases whereas capacitive reactance decreases . Thus , option a) is correct ...
  24. Y

    Angular momentum multiple choice question

    Homework Statement Hello, Here is a multiple choice question I would like to be clarified. Suppose that the angular momentum of a system can take the values 0, 1, 2. One carries out a measurement of ##J_z##,the state of the system will: ##a##-Be perfectly known if the result is 0 ##b##-Be...
  25. I

    Confused about derivation of E=(V-IR)/L, multiple choice problem

    Homework Statement A vacuum photodiode detector utilizes the photoelectric effect to detect light. The photoelectric effect causes electrons to be ejected from a metal plate when photons of light are absorbed by the metal. The energy of a photon is given by the equation E = hf, where h = 6.6 x...
  26. Hughng

    Undergraduate Probability Textbook with Multiple Choice Practice Problems

    Would you please introduce me some textbooks that offer multiple choice or true-false questions at the end of each chapter so I can practice before my final exam? Basically, that class I am taking right now cover many central topics in Undergraduate Probability course such as: • Moments and...
  27. RoboNerd

    Multiple choice question on finding magnetic field

    Homework Statement E is the "right answer" Homework Equations B around a long wire = mu * I / [2 * pi * r] The Attempt at a SolutionOK. I know that the magnetic field lines will travel in a clockwise direction around the wire from the viewer's orientation with the current going away from...
  28. Clara Chung

    Electric force multiple choice

    Homework Statement PQRS is a square. Three point charges -Q, +Q and -3Q are fixed at P, Q and S respectively as shown. A point charge q is then placed at R and it experiences a net electric force towards S. Which of the following is equal to q? photo ...
  29. Clara Chung

    Please help with a redox multiple choice

    1. The equation below represents the reaction of chlorine with hot concentrated potassium hydroxide solution: 3Cl2(g) + 6KOH(aq) → 5KCl(aq) + KClO3(aq) + 3H2O(l) Which of the following statements concerning this reaction is/are correct? (1) Potassium hydroxide acts as a reducing agent (2)...
  30. RoboNerd

    Question on elementary statics multiple choice

    Homework Statement Homework Equations sum of torques = 0 The Attempt at a Solution So I tried to put the torques into the equation: Sum torques = mgL - T *sin(theta) * (L-x) = 0. Solving for the T gave me [mgL]/[ (L-x) * sin(theta) ]. This is not an option in the answers. Could anyone...
  31. S

    About electricity and the EMF -- Multiple choice question

    Homework Statement The cell in the circuit has an emf of 2.0 V. When the variable resistor has a resistance of 4.0 Ω, the potential difference (pd) across the terminals of the cell is 1.0 V. What is the pd across the terminals of the cell when the resistance of the variable resistor is 12...
  32. RoboNerd

    Force Systems Multiple Choice Thread

    Homework Statement http://gpschools.schoolwires.net/cms/lib05/MI01000971/Centricity/Domain/272/Chapter%205%20MC%2013.pdf It is problem 22 on page 7 of the document: A block of mass M1 on a horizontal table is connected to a hanging block of mass M2 by a string that passes over a pulley, as...
  33. slymme

    Mass hangs in equilibrium on a spring (oscillation)(MCQ)

    Homework Statement A mass M hangs in equilibrium on a spring. M is made to oscillate about the equilibrium position by pulling it down 10 cm and releasing it. The time for M to travel back to the equilibrium position for the first time is 0.5s. Which line, A to D, is correct for these...
  34. RoboNerd

    Question about acid and base multiple choice solving

    Homework Statement I found this problem online for extra practice for my AP Chem class. https://www.quia.com/files/quia/users/jpugteach/APChem/AP-Chem-Chapter-19-Graphs.pdf The problem in question is number 4. I do not understand how to solve it and why the answer D is correct. Homework...
  35. mcdavid&goliath

    Newton's laws multiple choice question

    Homework Statement A book of mass m is sitting on a table of mass M. Which of the following statements regarding Newton's Laws of motion is true? (a) Newton's Third Law says that the magnitude of the normal force from the table on the book is equal to mg. (b) Newton's Second Law says that the...
  36. C

    Need some checking on these Multiple choice questions

    Homework Statement For #5, I added option E, it's the same as B, but the charges are switched around. Homework EquationsThe Attempt at a Solution [/B] 1) Even though A and B look similar, B seems more accurate. The arrows in the corner of A don't seem to point directly to the corner...
  37. 1729

    Multiple choice buoyancy problem

    Homework Statement A wooden cube is floating in water. The upper face of the cube meets the surface of a pool of water when a block with mass 0.200 kg is placed on top of the cube. When you remove the block, there's a 2 cm difference in height between the upper face and the water surface...
  38. goonking

    Some multiple choice questions.

    Homework Statement Hey, I just need a quick check on these questions. 1) In a regular sound wave, the displacement of the medium is: A. perpendicular to the wave velocity B. sometimes perpendicular and sometimes parallel to the wave velocity C. parallel to the wave velocity. D. neither...
  39. cainko

    MC (multiple choice) question about total internal reflection

    Homework Statement There is an optical fiber.A light ray enter it at i°.Total internal reflection occur at X. What are the necessary conditions for the light ray to travel along the core of the fiber? (I have canceled B and D already.) A.n1>n2 and angle i should be greater than a certain value...
  40. gracy

    Thermodynamics multiple choice questions

    Can anyone please provide me a good link for thermodynamics multiple choice questions? I have seen some,but didn't like them. Thanks.
  41. shmijda

    Two MC Special Relativity Questions

    Homework Statement 1. You observe two events to occur simultaneously. A friend is moving with respect to you. The friend will see : The event the friend is moving towards occurs first, in their perspective The order of the events is random and cannot be predicted The events occur...
  42. TheExibo

    Multiple Choice Question about Enthelpy of Formation

    Homework Statement The term chlorine is used to mean a number of possible types of matter containing chlorine atoms, such as Cl2(g), Cl(g), and Cl-(aq). Which of these forms of chlorine would have a zero standard enthalpy of formation? a) Cl2(g), Cl(g), and Cl-(aq) b) Cl(g) c) Cl-(aq) d)...
  43. L

    Crazy multiple choice question

    Hi everyone, a friend once emailed me a crazy multiple choice question. I thought about it for a while but then gave up. I can't find it anymore, but I remember it was something like: What is the probability of answering this question correctly? 1) 100% 2) 50% 3) 33% Does anybody know what the...
  44. A

    Genetic sequence multiple choice question

    Homework Statement 5) Examine the following sequence: 5' GAATTC 3' 3' CTTAAG 5' If this sequence was disgested with an enzyme (ex. ECOri) which cut between the guanine and adenine bases on which would it have? A) 3' overhang B) Blunt ends C) 5' overhang D) Any of these Homework Equations n/a...
  45. S

    MHB Find Area Problem in Multiple Choice Question

    hi all... how to easy find to figure it out this problem.. how to find are that shading blue color.. please, see my picture.. thanks in advance...susanto3311
  46. I

    MHB Easy Question On Multiple Choice.... Confused

    Hey, i was doing a multiple choice question and i got 0.83/1 on it... There were 6 options to choose from and you could choose as many as you liked. I only picked one of the options. I'm confused as to how or what equation is used to calculate what mark you will get on each multiple choice...
  47. W

    Help with two multiple choice questions related to light and interference

    Homework Statement A thin film of glass is in flush contact with a thin film of transparent plastic that has a higher index of refraction than the glass. Monochromatic light of a certain frequency is shown on both sides of this combination, and there is very little light reflected from either...
  48. J

    Java Why does the output show 1 and not 3?

    Consider the following java code int a=1; if (a != 0) { int a=3; } System.out.print(a); What is the output A. 0 B. 1 C. 3 D. No output. A compilation error occurs The answer is B. I want to ask why the output shown will not be 3. As the 1 is not equal to 0, should the ' int a '...
  49. A

    Multiple Choice for Physics Courses

    Hey guys! This is my first post, so hopefully it is in the correct spot. I'm a grade 12 student in Canada. I am thinking of majoring in computer science because I love logic and technology. I plan on taking some physics electives because I enjoy physics, more specifically modern physics...
  50. V

    Multiple Choice Kinematics Problem

    Homework Statement Homework Equations The Attempt at a Solution ## α = v\frac{dv}{ds} ## and K is the kinetic energy . In all the four cases ## α = v\frac{dv}{ds} = mgsinθ ## where θ is the angle which the normal to the body makes with the vertical . Fig 1) K...
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