Question

Sonar uses ultrasonic vibrations because, ultrasonic vibrations ______.

विकल्प

• carry more energy

• travel with a greater speed

• do not get scattered in water

• all of these

Answer 1

Sonar uses ultrasonic vibrations because, ultrasonic vibrations do not get scattered in water.

Explanation:

Ultrasonic waves do not get dissipated easily as they travel through water, so their echoes can be detected by SONAR. They are not used because they travel faster or carry more energy.