Name the technique used in locating. (a) an under water obstacle (b) position of an aeroplane in space.

Name the technique used in locating. (a) an under water obstacle (b)

1.	Name the technique used in locating. (a) an under water obstacle (b) position of an aeroplane in space.
Answer» SOLUTION :(a) SONAR `to` SOUND NAVIGATION and Ranging. (b) RADAR `to` Radio Detection and Ranging.