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Physics · Oct / Nov 2016 · Paper 11 · Question 21

5054General properties of waves

A phone rings and lights up. Which types of wave are associated with the phone's operation?

  1. Alight: longitudinal, sound: longitudinal
  2. Blight: longitudinal, sound: transverse
  3. Clight: transverse, sound: longitudinal
  4. Dlight: transverse, sound: transverse

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Correct answer: C. light: transverse, sound: longitudinal

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