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Question
Sonar uses ultrasonic vibrations because, ultrasonic vibrations ______.
Options
carry more energy
travel with a greater speed
do not get scattered in water
all of these
MCQ
Fill in the Blanks
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Solution
Sonar uses ultrasonic vibrations because, ultrasonic vibrations do not get scattered in water.
Explanation:
Ultrasonic waves do not get dissipated easily as they travel through water, so their echoes can be detected by SONAR. They are not used because they travel faster or carry more energy.
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