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Physics (AS & A Level) · May / June 2022 · Paper 12 · Question 21

9702Progressive waves

Which statement is correct for all types of progressive wave?

  1. AThe distance from a peak to the next trough is equal to a wavelength.
  2. BThey can be demonstrated in ripple tanks.
  3. CThey consist of vibrating atoms.
  4. DThey transfer energy from one position to another.

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Correct answer: D. They transfer energy from one position to another.

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