October 11, 2023
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OCR GCSE PHYSICS A PAPER 4 2023 (J249/04: Higher Tier). DOWNLOAD On www.Hackedexams.com Instantly.
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© OCR 2023
Section A
You should spend a maximum of 30 minutes on this section.
Write your answer to each question in the box provided.
1 A sound wave travels from air into water.
Which quantity stays the same?
A Amplitude
B Frequency
C Speed
D Wavelength
Your answer [1]
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