Physics for IGCSE & O level - Waves And Sounds (Section 6 - No. 23)
If the frequency of a sound is 330 Hz and the wavelength is 1 m, what is the speed of the sound wave?
330 m/s
165 m/s
3300 m/s
1 m/s
Vysvětlení
Speed = frequency x wavelength = 330 Hz * 1 m = 330 m/s.