Question

Write the use of sonar.

Answer 1

sonar stands for sound navigation and ranging...it is based on principle of generation and reflection of ultrasonic waves....it is used to determine the direction distance and speed of object below the surface of water....hope this helps

Answer 2

HEYA..!!

SONAR stands for sound navigation and ranging. 

Uses of sonar are as follows :

•SONAR is a device which is used by ships and submarines to locate position of other vessels in the ocean. 

These are of two types.

•One is passive, which only detects the incoming. 

•Another one is active SONAR which transmits sound pulses and detects the reflected echoes to detect presence of other sea vessels. 

Principle behind SONAR is reflection of sound.

Hope it helps :)