InterviewSolution
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InterviewSolution
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Hydroscope is an instrument that shows changes in: |
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Answer» None of these Hydroscope is an optical device for enabling a person to see an object at a CONSIDERABLE distance below the SURFACE of water by MEANS of a series of mirrors enclosed in a steel tube. Hydrophone is an instrument used for recording sound under water. It is the underwater equivalent of a microphone that measures pressure fluctuations, and these are usually CONVERTED to sound pressure level (SPL), a logarithmic measure of the mean square acoustic pressure. |
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