plumiSpeed of sound (core practical 4): Edexcel International A Level Physics questions
Edexcel International A Level Physics past-paper questions on 2.3.1.3 Speed of sound (core practical 4), 2019–2025, with mark schemes and examiner’s reports where available.
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Q15(a)
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All 6 questions on Speed of sound (core practical 4), as a list
- June 2024, AS Unit 2, Q15(a) (3 marks): A student connected a microphone to an oscilloscope. She then placed the microphone near to one of the pipes. The photograph below shows the oscilloscope screen
- June 2024, AS Unit 3, Q3(d) (2 marks): The student modified the apparatus to determine the speed of sound in water. –1 with a 4% uncertainty. He determined the speed of sound in water to be 1444 m s
- January 2022, AS Unit 3, Q5(a)(i) (4 marks): Determine the speed of sound in air. distance between microphones = 1.25 m (4) Speed of sound = m s–1
- January 2022, AS Unit 3, Q5(a)(ii) (3 marks): The student then attached the microphones to the piece of wood so they detected the sound passing along the wood. The distance between the microphones was 1.25
- June 2021, AS Unit 2, Q17(a) (5 marks): Explain how the apparatus shown in Photograph 1 could be used to determine the speed of sound in air. (5)
- June 2021, AS Unit 2, Q17(b) (3 marks): The student changed the position of the microphone. The traces on the oscilloscope screen before and after changing the position of the microphone are shown in
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