Physics questions and solutions
Browse original practice and official past-paper questions. Each question has its own link, with its source and worked solution.
498 questions · Page 8 of 21
- Q1 · 2021 QCAA · Paper 2 · 3 marksQuestion and worked solutionA charge of 2.8 × 10–7 C experiences an electrostatic force of 5.2 × 10–1 N when placed near a charge of 3.2 × 10–7 C. Calculate the distance between the two charges.
- Q2 · 2021 QCAA · Paper 2 · 1 markQuestion and worked solutionList the four gauge bosons in the Standard Model.1.2.3.4.
- Q3 · 2021 QCAA · Paper 2 · 3 marksQuestion and worked solutionAn object undergoes uniform circular motion in a path with a radius of r. Determine the effect on the radius if the mass of the object is doubled, but the centripetal force and velocity remain unchanged.
- Q4 · 2021 QCAA · Paper 2 · 4 marksQuestion and worked solutionA spacecraft is located between two large asteroids, Asteroid A and Asteroid B, that are 120 km apart. Asteroid A’s mass is approximately four times the mass of Asteroid B. Determine the distance of the spacecraft from Asteroid B if it experiences no net gravitational force from the two asteroids.Distance from Asteroid B = km (to the nearest whole number)
- Q5 · 2021 QCAA · Paper 2 · 4 marksQuestion and worked solutionAn alpha particle with a charge of +3.2 × 10–19 C moves through an electric field, accelerating from rest through a potential difference of 240 V. Determine the velocity of the particle at the end of its acceleration, expressing your answer in scientific notation.
- Q6 · 2021 QCAA · Paper 2 · 4 marksQuestion and worked solutionThe diagram shows the magnetic field lines inside a solenoid carrying a current of 2 A.
- Q7 · 2021 QCAA · Paper 2 · 6 marksQuestion and worked solutionAn object on a planet is launched horizontally from a cliff. Its vertical displacement is measured over 6 seconds. The graph shows the object’s vertical displacement with respect to time squared.
- Q8 · 2021 QCAA · Paper 2 · 4 marksQuestion and worked solutionA photoelectric effect experiment was conducted by shining light from a laser at one frequency on five different metals with known work functions. The graph shows the maximum kinetic energy of the photoelectrons ejected from each metal with respect to their work functions.Determine the wavelength of the light emitted by the laser.
- Q9 · 2021 QCAA · Paper 2 · 3 marksQuestion and worked solutionExplain how Young’s double slit experiment provides evidence for the wave model of light.
- Q1 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionWhich of the diagrams correctly represents the forces acting on an object resting on an inclined plane?
- Q2 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionThe definition of average speed is the rate of change of
- Q3 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionThe diagram shows two vectors.Calculate the magnitude of the resultant vector when Vector A is added to Vector B.
- Q4 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionThe diagram shows a current-carrying loop moving from one magnetic field to another magnetic field in 0.600 seconds.Calculate the magnitude of the EMF produced in the current-carrying loop.
- Q5 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionWhich of the following is Lenz’s Law?
- Q6 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionThe definition of relativistic momentum is the
- Q7 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionA quantum of any form of electromagnetic radiation is also known as
- Q8 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionAn object 46 m above the ground is projected horizontally, with an initial velocity of .Calculate the horizontal displacement of the object at the time it reaches the ground.
- Q9 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionSelect the list containing the six types of quarks.
- Q10 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionThe force that quarks experience that leptons do not is the
- Q11 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionThe diagram shows object A and object B being projected at different velocities.Which of the following statements is true?
- Q12 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionWhich of the following is one of Kepler’s laws of planetary motion?
- Q13 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionThe Rutherford atomic model describes an atom
- Q14 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionSelect the list that contains only gauge bosons.
- Q15 · 2020 QCAA · Paper 1 · 1 markQuestion and worked solutionCalculate the orbital period of a satellite travelling on a radius orbit around the Earth.