Question

Ultrasound which is upper limit of human hearing is characterized by which of the following frequencies?
A. Above 20 KHz
B. Above 200 KHz
C. Above 2 KHz
D. Below 20 KHz

Answer 1

your answer is 200KHz

Answer 2

Hᴇʟʟᴏ

ʜᴇʀᴇ's ʏᴏᴜʀ ᴀɴsᴡᴇʀ

________________

Uʟᴛʀᴀsᴏᴜɴᴅ ᴡʜɪᴄʜ ɪs ᴜᴘᴘᴇʀ ʟɪᴍɪᴛ ᴏғ ʜᴜᴍᴀɴ ʜᴇᴀʀɪɴɢ ɪs ᴄʜᴀʀᴀᴄᴛᴇʀɪsᴇᴅ ʙʏ ᴡʜɪᴄʜ ғʀᴇǫᴜᴇɴᴄʏ?

=》200KHZ.

________________

Tʜᴀɴᴋs