Physics for IGCSE & O level - Waves And Sounds (Section 5 - No. 8)

What is the range of frequencies humans can hear?

1 Hz - 1000 Hz

20 Hz - 20 kHz

20 kHz - 20 MHz

100 Hz - 100 kHz

Vysvetlenie

is about 20 000 Hz.

Pripomienky (0)

Reklama