Physics for IGCSE & O level - Waves And Sounds (Section 6 - No. 46)
The range of human hearing is about:
20 Hz to 20,000 Hz
10 Hz to 10,000 Hz
50 Hz to 10000 Hz
1 Hz to 1000 Hz
Giải thích
The human ear can detect sounds up to a frequency of about 20 000 Hz