← all papers · Physics · 9702 · Paper 29702/02/SP/22

Practice

1. Question 14 marks
   • 1(a)Use the data in Table 1.1 to calculate the speed v.2 marks
   • 1(b)Use your answer in (a) (the calculated speed v) and the data in Table 1.1 to calculate the absolute uncertainty in the value of v.2 marks
2. Question 211 marks
   • 2(a)Define acceleration.1 mark
   • 2(b)(i)Calculate the initial horizontal component vX of the velocity of the ball.1 mark
   • 2(b)(ii)Show that the initial vertical component vY of the velocity of the ball is 8.5 m s⁻¹.2 marks
   • 2(b)(iii)Calculate the time taken for the ball to reach its maximum height above the ground.2 marks
   • 2(c)(i)Calculate the maximum height above the ground of the ball.2 marks
   • 2(c)(ii)Calculate the mass of the ball.2 marks
   • 2(d)State and explain the effect, if any, of the increased mass on the time taken by the ball to reach its maximum height.1 mark
3. Question 312 marks
   • 3(a)(i)Define force.1 mark
   • 3(a)(ii)State what is meant by work done.1 mark
   • 3(b)(i)Calculate the initial kinetic energy of the block.2 marks
   • 3(b)(ii)Use your answer in (b)(i) (the initial kinetic energy) to calculate the maximum force F_MAX exerted on the spring by the block.2 marks
   • 3(b)(iii)Calculate the maximum deceleration of the block.2 marks
   • 3(b)(iv)State and explain whether the block is in equilibrium: • before it hits the spring • when its speed becomes zero.2 marks
   • 3(b)(v)Calculate the magnitude of the change in momentum of the block.2 marks
4. Question 46 marks
   • 4(a)(i)By reference to the direction of transfer of energy, state what is meant by a transverse wave.1 mark
   • 4(a)(ii)State the principle of superposition.2 marks
   • 4(b)(i)Calculate the wavelength of the waves.2 marks
   • 4(b)(ii)Give your answer in terms of the wavelength λ of the waves.1 mark
5. Question 55 marks
   • 5(a)State one angle of the transmission axis to the vertical that results in no transmitted light beam.1 mark
   • 5(b)(i)Calculate angle θ.2 marks
   • 5(b)(ii)Calculate the ratio (amplitude of transmitted light)/(amplitude of incident light).2 marks
6. Question 69 marks
   • 6(a)Show that the total resistance R of the combination is given by the equation 1/R = 1/R₁ + 1/R₂ + 1/R₃.2 marks
   • 6(b)(i)By considering energy, explain why the potential difference across the terminals of the battery is less than the e.m.f.1 mark
   • 6(b)(ii)Calculate: • the total energy transferred by the battery • the number of electrons that pass through the battery.3 marks
   • 6(b)(iii)Calculate the resistance of X.1 mark
   • 6(b)(iv)Use your answer in (b)(iii) to determine the ratio (power dissipated in thermistor X)/(power dissipated in 12 Ω resistor).2 marks
7. Question 76 marks
   • 7(a)State the number of protons and the number of neutrons in nucleus X.2 marks
   • 7(b)State one similarity between a β⁺ particle and a β⁻ particle.1 mark
   • 7(c)State the quark composition of a meson.1 mark
   • 7(d)Show your working.2 marks