Question

what is SONAR. explain its utility.​

Answer 1

Explanation:

Hi Friend....

Sonar is a device that uses ultrasonic waves to measure the distance,direction and speed of underwater objects.

Principle:It uses the phenomenon of echoes in determining the sea-depth and locating the presence of under-water objects.

Answer 2

SONAR: It is a way that makes use of sound propagation (typically underwater, as in submarine navigation) to navigate, speak with or locate items on or beneathneath the floor of the water.

• SONAR stands for ‘Sound Navigation and Ranging’

• SONAR is primarily based totally on the "Principle of Echo"

Utilities of SONAR

• It is used for finding mines and underwater dangers to obtain secure navigation.

• It is used for finding the speed of objects underwater

• It is used for finding the distance of the object from the source point
• It is used  for the detection of cysts and cancer cells