Everyday Science
NULL
Medium
Question
SONAR is based on the principle of ___________?
A
Echo
✓ Official correct answer
B
reverberation
C
resonance
D
None of these
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
Echo
No member explanations yet for this option.
B
reverberation
No member explanations yet for this option.
C
resonance
No member explanations yet for this option.
D
None of these
No member explanations yet for this option.
Explanation
SONAR uses reflected sound pulses — an echo.
Hence the keyed answer is Echo.
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