Physics Lessons & Exams
AP Physics 2 2019 Exam Questions (pdf)
AP Physics 1 2019 Exam Question 1
AP Physics 1 2019 Exam Question 2
2. The two circuits shown above contain an ideal variable power supply, an ohmic resistor of resistance R, an ammeter A, and two voltmeters VPS and VR . In circuit 1 the ammeter has negligible resistance, and in circuit 2 the ammeter has significant internal ohmic resistance r. The potential difference of the power supply is varied, and measurements of current and potential difference are recorded. …
AP Physics 1 2019 Exam Question 3
3. A group of students use the apparatus shown above to determine the thermal conductivity of a certain type of plastic. A hot plate is used to keep water in a container boiling at a temperature of 100°C . They place a slab of the plastic with area 0.025 m2 and thickness 0.010 m above the container so that the bottom surface of the slab is at a temperature of 100°C. They put a large block of ice with temperature 0°C on top of the plastic slab. Some of the ice melts, and the students measure the amount of water collected during a time Δt . The students correctly calculate the amount of energy Q delivered to the ice and thus determine Q/Δt . They repeat this experiment several times, each time adding an identical slab to increase the total thickness L of plastic. Their results are shown in the table below …
AP Physics 1 2019 Exam Question 4
4. A student notices many air bubbles rising through the water in a large fish tank at an aquarium. (a) In the figure below, the circle represents one such air bubble, and two incoming rays of light, A and B, are shown. Ray B points toward the center of the circle. On the diagram, draw the paths of rays A and B as they go through the bubble and back into the water. Your diagram should clearly show what happens to the rays at each interface. …
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