OCR 2023 GCE Physics B H557/01: Fundamentals of physics A Level Question Paper & Mark Scheme (Merged)

2 © OCR 2023 Section A You should spend a maximum of 40 minutes on this section. Write your answer for each question in the box provided. 1 The diagram shows a dot-plot of measurements of diameter at points along a wire. 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 diameter/mm Which of the following statements is correct? A A value of 0.17mm would be an outlier. B The percentage uncertainty in the value is 4%. C The range of the results is 0.08mm. D The spread of the results is ±0.14mm. Your answer [1] 2 Two scalar quantities are: A distance and acceleration B mass and potential energy C velocity and momentum D work done and force Your answer [1] 3 © OCR 2023 Turn over 3 A mass of 0.5kg of water at 25°C is placed in a microwave oven and heated for 30s. The final temperature of the water is 30°C. What is the rate of energy transfer to the water? specific thermal capacity of water = 4200J k