Question

2 properties of ultrasound that makes it useful for us

Answer 1

The ultrasonic vibrations are the vibrations that travel with a wavelength more than 2,000 Hz

2 properties of ultrasonic vibrations are as follows :

(i) They may be confined to a narrow beam .

(ii) They can pass through long distances undeviated.

Uses of ultrasonic vibration :

• In sonar .

• In X-rays .

• In MRI machines.

Hope it helps !