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If a sound wave goes from a cold air region to a hot air region, its wavelength will

If a sound wave goes from a cold air region to a hot air region, its wavelength will
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Increase
  • B Decrease
  • C Decrease then increase
  • D Remain constant
Correct Answer: Option B
Explanation:
If a sound wave goes from a cold air region to a hot air region (which will be less dense), the velocity decreases, and since the frequency is always constant, the wave length decreases with the velocity

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