Properties of Sound Cont.
{"Image DocumentName": "Properties of Sound Cont.", "Image ImageDescription": "Humans hear sound waves in a limited frequency range. Any sound with a frequency below the range of human hearing is known as an infrasound. infrasound: slow vibrations of frequencies lower than 20 Hz. Any sound with a frequency above human hearing range is known as an ultrasound. ultrasound: any sound wave with frequencies higher than 20,000 Hz.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}