Question 1 Write the full form of SONAR? Question 2 What is a SONAR? Question 3 What is the use of sonar? Question 4 A sonar picks up a return signal after 3 sec.How far away is the object? Question 5 What is eco-ranging? Question 6 What is echolocation? Question 7 How is the bat able to fly at night without colliding with objects? Question 17 Explain how … [Read more...] about sonar