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Which of the following types of waves cannot travel through a vacuum?

Physics
JAMB 1979

Which of the following types of waves cannot travel through a vacuum?

  • A. sound waves
  • B. light waves
  • C. infra-red waves
  • D. x-radiation
  • E. radio waves
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Correct Answer: Option A
Explanation

Sound waves are mechanical waves that require a medium (such as air, water, or solids) to propagate.

Light waves, infra-red waves, x-radiation, and radio waves are electromagnetic waves and can travel through a vacuum.

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