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- 2. QUESTION 1 A car headlamp is rated at 55W.The light produced is 20% of the total
- 3. QUESTION 2 A crate of mass 200kg is pushed 20m across a floor with a force
- 4. An engine applies a force of 2000N to move a lorry at a constant speed. The
- 5. An arrow of mass 150g is fired from a bow as shown below. The archer pulls
- 6. A power station has an efficiency of 40%. The input power to the station is 1600MW.
- 7. A person using the exercise bike below, pedals against 300N of frictional forces applied to the
- 8. An electric motor raises a crate of mass 500kg through a height of 12m in 8s.
- 9. A ski lift with a gondola of mass 2000kg travels to a height of 540m from
- 10. The speed-time graph below shows the motion of a 700kg car. a) Calculate the kinetic energy
- 11. The graph below shows the speed-time graph of a 0.50kg object when it is involved in
- 12. A 0.02kg mass detaches from a thread before the vehicle is released from rest and falls
- 13. A child of mass 50kg is playing on a water slide as shown below. Calculate or
- 14. The voltage of an electrical supply is a measure of the QUESTION 13
- 15. Which of the following statements are true about electrical conductors QUESTION 14
- 16. A charge of 15C passes through a resistor in 12s. The potential difference across the resistor
- 17. A rechargeable battery is labelled 2600mAh. Calculate the charge stored in the battery. QUESTION 16
- 18. The current in an 8Ω resistor is 2A. Calculate the charge passing through the resistor in
- 19. Identify the circuit symbols X,Y and Z. QUESTION 18
- 20. The mains voltage in the UK is 230V ac. Which row in the table below shows
- 21. A student has two electrical power supplies. One is an ac supply and the other is
- 22. A circuit is set up as shown below. Which switch or switches must be closed to
- 23. Which of the following statements that an LHS Physics student made are true? QUESTION 22
- 24. QUESTION 23 A student is given a task of combining three resistors from a pack containing:
- 25. Which circuit below is used to find the resistance of Resistor R2? QUESTION 24
- 26. In the circuit below the resistance of the variable resistor is increased. Which row in the
- 27. Calculate the potential difference across the 2Ω resistor in the circuit below. QUESTION 26
- 28. Calculate the following from the circuit below: a) Current through the resistor. b) Power supplied to
- 29. In the circuit below the current in the lamp is 1.5A and the reading on the
- 30. Calculate the total resistance between X and Y in the network below. QUESTION 29
- 31. Calculate the following in the circuit below: a) Total resistance between Y and Z. b) Total
- 32. QUESTION 31 Calculate the following from the circuit below: a) Total resistance in the circuit. b)
- 33. Calculate or find the following from the rating plate of an electric food mixer. a) Resistance
- 34. The graph below shows the temperature of a substance over a period of time. Which row
- 35. The specific latent heat of fusion of a substance is the heat energy required to QUESTION
- 36. 100g of solid is heated by a 50W heater. Calculate the specific latent heat of fusion
- 37. A block of ice of mass 1.5kg is placed in a room at 20°C. If the
- 38. A sample of water at a temperature of 100°C absorbs 23,000J of heat energy. Calculate the
- 39. A fridge/freezer has water and ice dispensers. 0.15kg of water flows into the freezer at 14°C
- 40. QUESTION 39
- 41. From the experiment and the data obtained above, calculate or find: Specific heat capacity of the
- 42. On the planet Mercury the surface temperature at night is -173°C and during the day it
- 43. A rectangular block of wood of mass 2000g has dimensions of 2m x 1m x 0.1m.
- 44. The air pressure inside a passenger cabin of an aircraft is 92,000Pa during a flight with
- 45. Which of the following statements that an LHS Physics student wrote in her notebook are true?
- 46. A liquid is heated from 16°C to 40°C. What is the temperature rise in the Kelvin
- 47. Which of the following graphs illustrates the correct relationship between the pressure P and the volume
- 48. A student uses the apparatus shown below to investigate the relationship between the pressure and the
- 49. On a cold morning at 2°C the pressure of a car tyre was 3x105Pa. After a
- 50. A balloon with a volume of 6.0m3 contains a fixed mass of gas at a temperature
- 51. Oxygen is held inside a cylinder at a pressure of 2.82x106Pa and temperature of 19°C. Calculate
- 52. The apparatus below was used to investigate the relationship between the volume and temperature of a
- 53. A student investigates the relationship between the volume and the temperature of a fixed mass of
- 54. Which row in the table shows the symbols for an LED and a NPN transistor. QUESTION
- 55. Which of the following devices converts heat energy into electrical energy? QUESTION 52
- 56. In the voltage divider circuit below an LED is connected in series with a resistor. a)
- 57. A light sensor circuit contains a LDR and a resistor as shown below. Using the table,
- 58. The circuit below charges a rechargeable battery during daylight hours. a) State the energy transformation in
- 59. Answer the following questions using the circuit below and the table provided. a) Name component X.
- 60. Answer the following questions from the circuit below. a) Name component X. b)Explain how the circuit
- 61. Answer the following questions using the circuit below. a) Name the components X and Z. b)
- 62. Answer the following question using the circuit below. a) Calculate the voltage across the LDR when
- 63. Answer the following questions from the circuit below. a) What happens to the voltage at point
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