Question

$\huge{\textbf{\textsf{{\color{navy}{Qu}}{\purple{est}}{\pink{ion}} {\color{pink}{:}}}}}$
.
ᴡʜᴀᴛ ᴅᴏ ᴍᴇᴀɴ ʙʏ ᴜʟᴛʀᴀsᴏɴɪᴄ ᴡᴀᴠᴇs
.​

Answer 1

Answer:

Sound waves which are not intended to hear is called ultrasonic waves.

Your answer ☝️

Good morning Abhishek