2019 A/L Physics Past Paper 1 (English Medium)

G.C.E. (A/L) Physics 2019 — Paper I

2019 A/L Physics past paper 1 in English medium: 50 MCQ questions, each with the answer and a full explanation.

  1. Q01: SI base units
  2. Q02: Dimensions of the gravitational constant G
  3. Q03: A transistor in saturation: when the base current rises
  4. Q04: The fundamental particles of matter: quarks and leptons
  5. Q05: Gravitational potential of a point mass — the V(r) graph
  6. Q06: Thermometry: which statement is incorrect?
  7. Q07: Ultraviolet and ultrasound waves — which statements are incorrect?
  8. Q08: Change in velocity from A to B on a circular path
  9. Q09: Weightlifting — the signs of the work done
  10. Q10: A three-level laser system
  11. Q11: The velocity of sound in the earth atmosphere
  12. Q12: X-ray production: the incorrect statement
  13. Q13: Dew point in a closed container
  14. Q14: Energy stored as the tension rises from T₁ to T₂
  15. Q15: Density of hydrogen from the root mean square speed
  16. Q16: Wavelength of a longitudinal wave in a composite rod
  17. Q17: Electric field at A due to a distribution of point charges
  18. Q18: The capacitor circuit that stores the maximum energy
  19. Q19: An ideal transformer: its type and the current ratio
  20. Q20: Emf induced in a ring coil around a straight wire
  21. Q21: Equipotential surfaces — potential differences
  22. Q22: Gravitational acceleration at the earth–moon midpoint
  23. Q23: Velocity of the middle layer of oil between two plates
  24. Q24: A diode and a resistor in a box: finding the resistances
  25. Q25: An air mass in a cyclone — conservation of angular momentum
  26. Q26: Reading an analogue multimeter
  27. Q27: Electric potential on the axis of a charged ring
  28. Q28: Average speed of blood in the capillaries
  29. Q29: Concentric spherical shells: the electric field with distance
  30. Q30: An ideal gas along two paths: the change in internal energy
  31. Q31: A bouncing ball — the height after three bounces
  32. Q32: Photoelectric effect: the longest wavelength
  33. Q33: Focal length of a slide projector
  34. Q34: Period of oscillation of a floating test tube
  35. Q35: A balloon in the water tank of an accelerating truck
  36. Q36: Four balls — a series of elastic collisions
  37. Q37: A transistor driving an LED: R_B and R_C
  38. Q38: Flipping a floating wooden block with a metal piece
  39. Q39: Flow rate from the height difference of two vertical tubes
  40. Q40: A lamp post and two cars — displacement–time graphs
  41. Q41: A rising whistling firecracker — the Doppler effect
  42. Q42: The metal of the bowl from a heat exchange
  43. Q43: Three right-angled prisms: the incorrect expression
  44. Q44: The initial torque on wire loops: the order
  45. Q45: Three cells: the potential at point P
  46. Q46: A battery with a variable source: the I against V graph
  47. Q47: A square-wave voltage: the average power in a load
  48. Q48: Two parallel wires: how B varies between them
  49. Q49: A symmetric network: the current through the battery
  50. Q50: An object inside a rotating cone — the maximum angular velocity

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