2018 A/L Physics Past Paper 1 (English Medium)

G.C.E. (A/L) Physics 2018 — Paper I

2018 A/L Physics past paper 1 in English medium: 50 MCQ questions, each with the answer and a full explanation.

  1. Q01: Unit of pressure
  2. Q02: Homogeneity of an equation — dimensions
  3. Q03: Transverse and longitudinal waves
  4. Q04: Speed of sound in an ideal gas
  5. Q05: Optical instruments — normal adjustment
  6. Q06: Thermodynamic process — ΔU = ΔQ
  7. Q07: Linear expansivity
  8. Q08: Secondary voltage of a transformer
  9. Q09: Source of electromotive force
  10. Q10: Gate equivalent to the logic circuit
  11. Q11: Acceleration due to gravity on the surface of planets
  12. Q12: Direction of the resultant of coplanar forces
  13. Q13: Average force on the ant
  14. Q14: Stopping distance on a frozen pond
  15. Q15: Centre of gravity of the structure
  16. Q16: Force from a displacement–time graph
  17. Q17: Simple harmonic motion — T, f, ω, vmax, amax from the graph
  18. Q18: Greatest distance at which the trumpet can be heard
  19. Q19: Mercury-in-glass thermometers P and Q
  20. Q20: Power of the immersion heater
  21. Q21: Total charge stored in the capacitors
  22. Q22: Clusters of soap bubbles
  23. Q23: Gauss's law — flux through the rest of the surface
  24. Q24: Internal resistance of a voltmeter and the circuit current
  25. Q25: Power dissipated by an unknown resistor network
  26. Q26: Identical bulbs — burning out and brightness
  27. Q27: Three 741 comparators — output voltages
  28. Q28: Plank on two supports — walking without toppling
  29. Q29: Three tanks and one-way valves
  30. Q30: Young's modulus — F–ΔL graphs of three wires
  31. Q31: Viscous oil between three plates — velocity vectors
  32. Q32: Radioactive decay series — protons and neutrons of X
  33. Q33: Streamline flow in a curved tube — Bernoulli
  34. Q34: A spider landing on a rotating disc — L and ω of the disc
  35. Q35: Solid sphere, disc and hollow sphere — rotational kinetic energy
  36. Q36: Dog whistle — 20 kHz by the Doppler effect
  37. Q37: The image of "23" as a convex lens is lifted
  38. Q38: Hollow glass prism — the fluid in the cavity and the direction of the ray
  39. Q39: Biscuits in a closed container — humidity 80% → 30%
  40. Q40: Four conducting rods — the steady temperature of reservoir A
  41. Q41: Water in a special bottle — level against temperature
  42. Q42: A resistor network in a box — voltmeter and ammeter
  43. Q43: Circuit with an ideal diode — overall resistance against V_X
  44. Q44: Capillary tube — the height of the water column with an oil layer
  45. Q45: Three +q and one −q — zero potential at O
  46. Q46: Tug-of-war — tension in the rope
  47. Q47: Wooden cubes with metal, floating — depth immersed
  48. Q48: Ten wires — magnetic force on the centre wire
  49. Q49: A toy car on a sinusoidal path — the e.m.f. induced in the axle
  50. Q50: An electron between four plates — the voltages for the v–t curve

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