Concept explainers
Name of the method used to find objects that are underwater among the options such as (A) sonogram (B) ultrasonic bath (C) sonar (D) percussion.
Answer to Problem 39R
The correct option is (C).
Explanation of Solution
Introduction:
Objects which are underwater can be detected using sound waves. This is done using a technique called sonar for navigating objects underwater. The full form of Sonar is sound navigation and ranging.
Sonar is a device which sends sound waves as pulses through the water. As these pulses hit objects or the bottom of waterbody, the sound waves are reflected back to the surface. The time taken by the sound to travel back is measured by the sonar.
Conclusion:
Hence, the correct answer is sonar.
Chapter 10 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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