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Question
Name the waves which are used in sonar to find the depth of sea.
One Line Answer
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Solution
Ultrasonic waves are sent in sonar to find the depth of the sea.
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Chapter 3: Sound - Graded Assignment 3.1 [Page 186]
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Match the following:
| 1. | Stethoscope | a. | Repeated reflections |
| 2. | Echogram | b. | Multiple reflections |
| 3. | SONAR | c. | Ultrasonic waves |
| 4. | Reverberation | d. | Speed of underwater objects |
