Avasarama Doppler effect use cheyyadam..... Anthaga akavalante text book chaduvu bey.....
Example sentence - We are learning to what the doppler effect is and how to use it.
In Astronomy, the Doppler effect is used to determine whether a star or other body in space is moving away from or toward Earth.
Sonar is used to gain information about objects underwater which you can't see because of the darkness and/or opacity of the water.thats wrong homeboy
SOund Navigation And Ranging = SONARSound is used underwater to bounce off objects. The reflections back can be measured (by electronics) to find our where they are and how far away.Used by...