Question

What is meant by Infra sound and Ultra sound? Write any two applications of
Ultra sound.

Answer 1

Answer:

Infrasound and ultrasound, used for vibrations that we cannot hear. ... Beyond what we can hear there is: Infrasound, where the rate of vibration is too low for us to hear. Ultrasound, where the rate of vibration is too high for us to hear.

Any two applications of ultrasound are as follows⬇

Ultrasound are used by bats to locate obstacles in their path, to drill holes in materials like glass, cleaning minute objects, detection of defects in metals, imaging human organs by ultrasonography and echo cardiography, remove cataract and in SONAR(Sound navigation and ranging) to detect and find distance of objects.

Answer 2

Answer:

• Infra sound- The sound waves with frequencies below the lower limit of human audibility

• Ultra sound- Sound or other vibrations having ultrasonic frequency,praticularly as used in medical imaging.

Hope it helps...1