PH-777
Wave speed
Physics · Secondary 3 · Easy · Wave speed
A sound wave in air has a frequency of 850 Hz and a wavelength of 0.40 m. What is the speed of the sound wave?
- 212 m s⁻¹
- 340 m s⁻¹
- 425 m s⁻¹
- 850 m s⁻¹
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