A sound wave travels 1500 m in 5 seconds in a medium. If the frequency of the wave is 1500 Hz, calcu

JAMB Physics 2023 287 views
Source: JAMB · 2023

A sound wave travels 1500 m in 5 seconds in a medium. If the frequency of the wave is 1500 Hz, calculate its wavelength.

  1. 0.2 m ✓
  2. 0.3 m
  3. 0.1 m
  4. 0.4 m
Explanation

Speed = distance ÷ time = 1500 ÷ 5 = 300 m/s.

Wavelength = speed ÷ frequency = 300 ÷ 1500 = 0.2 m.

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