Compared to audible sound waves, ultrasound waves have
[amp_mcq option1=”higher speed.” option2=”higher frequency.” option3=”longer wavelength.” option4=”both higher speed and frequency.” correct=”option2″]
This question was previously asked in
UPSC NDA-2 – 2019
Ultrasound waves are defined as sound waves with frequencies higher than the upper limit of human hearing, which is typically considered to be 20 kilohertz (kHz). Audible sound waves have frequencies between approximately 20 Hz and 20 kHz.