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Physics · Oct / Nov 2022 · Paper 12 · Question 28

5054Sound

Sound waves are displayed as a trace on the screen of an oscilloscope. Which trace shows a sound that becomes quieter with a higher pitch?

  1. Atrace A
  2. Btrace B
  3. Ctrace C
  4. Dtrace D

As printed in the paper

Show the answer

Correct answer: C. trace C

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