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In which of the following media is the transmission of sound wave fastest?

In which of the following media is the transmission of sound wave fastest?
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Vacuum
  • B Air
  • C Wood
  • D Iron
Correct Answer: Option D
Explanation:

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