Question

Mention 2 uses of ultrasonic wave

Answer 1

Ultrasonic waves are used In SONAR for calculating the depth of various objects in the sea.

Ultrasonic imaging is used in medicines

Answer 2

Ultrasonic imaging uses frequencies of 2 megahertz and higher; the shorter wavelength allows resolution of small internal details in structures and tissues. ... High and ultra high ultrasound waves are used in acoustic microscopy, with frequencies up to 4 gigahertz.