Question

if humans cant hear sounds of less than 20 hz or less than 20 vibrations per second then how can we hear the sound of a vibrating rubber band when we pluck it....it also produces sound bt i think number of oscillations per second are less than 20

plz tell me the answer to my query with a valid explanation,i am in 8 class​

Answer 1

Answer:

Yes less than 20 is your answer

Answer 2

Answer:

20 is your answer.

..Itz Adyasha..