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Grade: 9 
        
what is the reciprocal of wavelength?
what is the name given to the reflected sound?
expand SONAR
3 years ago

Answers : (1)

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SAHIL
3783 Points 
							1. WAVENUMBER IS THE RECIPROCAL OF WAVELENGTH.
2. ECHO IS THE NAME GIVEN TO REFLECTED SOUND
3. SONAR STANDS FOR SOUND NAVIGATION AND RANGING
3 years ago
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