[
  {
    "question": "When hot water is poured into a beaker containing cold alcohol, the temperature of the mixture will eventually reach the same temperature. Considering the scale of the size of the molecules of the fluids, which of the following is the primary reason for this phenomenon?",
    "choices": {
      "text": [
        "The high temperature water will rise to the top of the container until it has cooled and then mixes with the alcohol.",
        "The molecules of the water continue to have a higher kinetic energy than the molecules of the alcohol, but the two liquids mix until the energy is spread evenly throughout the container.",
        "The hot water produces thermal radiation that is absorbed by the cold alcohol until the kinetic energy of all the molecules is the same.",
        "The water molecules collide with the alcohol molecules, transferring energy until the average kinetic energy of both the water and alcohol molecules are the same."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]D[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "A solid plastic cube with uniform density (side length = 0.5 m) of mass 100 kg is placed in a vat of fluid whose density is 1200 kg/m^3. What fraction of the cube's volume floats above the surface of the fluid?",
    "choices": {
      "text": [
        "1.0/9",
        "1.0/3",
        "2.0/3",
        "4.0/5"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]B[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "A beam of monochromatic light entering a glass window pane from the air will experience a change in",
    "choices": {
      "text": [
        "frequency and wavelength",
        "speed and wavelength",
        "speed only",
        "wavelength only"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]B[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "Heat is added to a cylindrical aluminum rod of radius Q and length ℓ. The temperature difference between the two ends of the rod varies from 10°C to 20°C. What geometric factors will influence the rate heat is transferred along the rod?",
    "choices": {
      "text": [
        "Only the length",
        "Only the area of the rod",
        "Both the length and area",
        "Neither the length nor area"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]C[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "A beam of monochromatic light entering a glass window pane from the air will experience a change in",
    "choices": {
      "text": [
        "frequency and wavelength",
        "frequency and speed",
        "speed and wavelength",
        "speed only"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]C[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "A pipe full of air is closed at one end. A standing wave is produced in the pipe, causing the pipe to sound a note. Which of the following is a correct statement about the wave’s properties at the closed end of the pipe?",
    "choices": {
      "text": [
        "The pressure is at a node, but the particle displacement is at an antinode.",
        "The pressure is at an antinode, but the particle displacement is at a node.",
        "The pressure and the particle displacement are both at nodes.",
        "The pressure and the particle displacement are both at antinodes."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]B[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "A microwave oven is connected to an outlet, 120 V, and draws a current of 2 amps. At what rate is energy being used by the microwave oven?",
    "choices": {
      "text": [
        "10 W",
        "30 W",
        "60 W",
        "240 W"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]D[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "You have a wire of length L, radius Q, and resistance Q. You need to obtain half that resistance using the same material and changing only one factor. You could",
    "choices": {
      "text": [
        "use half the length",
        "use twice the length",
        "use half the radius",
        "use twice the radius"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]A[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "A pair of protective headphones reduces the sound of a jet engine from 140 dB to 110 dB. What percent of the noise is being blocked?",
    "choices": {
      "text": [
        "99.90%",
        "78.60%",
        "21.40%",
        "0.10%"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]A[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "An equal number of hydrogen and carbon dioxide molecules are placed in a sealed container. The gases are initially at a temperature of 300 K when the container is placed in an oven and brought to a new equilibrium temperature of 600 K. Which of the following best describes what is happening to the molecular speeds and kinetic energies of the gases’ molecules as they move from 300 K to 600 K?",
    "choices": {
      "text": [
        "The molecules of both gases, on average, end with the speed and the same average kinetic energy.",
        "The molecules of hydrogen, on average, end with a higher speed, but the molecules of both gases end with the same average kinetic energy.",
        "The molecules of hydrogen, on average, speed up more and end with a higher average kinetic energy.",
        "As heat flows into the container, the entropy rises, and it is not possible to determine the average velocity and average kinetic energy of the gases."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]B[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "If L, M, and T denote the dimensions of length, mass, and time, respectively, what are the dimensions of power?",
    "choices": {
      "text": [
        "(L^2)M/T^2",
        "(M^2)L/T^2",
        "(L^2)M/T^3",
        "M(L^2)/T^3"
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]D[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "It is observed that sounds can be heard around a corner but that light cannot be seen around a corner. What is a reasonable explanation for this observation?",
    "choices": {
      "text": [
        "Light travels at 3 × 10^8 m/s, which is too fast to change direction around a corner.",
        "Sound has a longer wavelength, which increases the diffraction.",
        "Light is an electromagnetic wave that is behaving as a particle.",
        "Sound is a mechanical wave that can change direction in its propagation media."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]B[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  },
  {
    "question": "A spherical conductor carries a net charge. How is this charge distributed on the sphere?",
    "choices": {
      "text": [
        "The charge is evenly distributed on the surface.",
        "The charge resides on the surface only; the distribution of charge on the surface depends on what other charged objects are near the sphere.",
        "The charge moves continually within the sphere.",
        "The charge is distributed uniformly throughout the sphere."
      ],
      "label": [
        "A",
        "B",
        "C",
        "D"
      ]
    },
    "answer": "[ANSWER]B[/ANSWER]",
    "prompt": "You MUST include the letter(s) of the correct answer (separated by comma if there are many) within the following tags: [ANSWER] and [/ANSWER]. No explanations and other information. Only return the '[ANSWER]<answer>[/ANSWER]'. We require this because we use automatic parsing."
  }
]