PHYSICS 6 MARK EXAM QUESTION
- Created by: rachelbell
- Created on: 29-04-14 20:42
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EXPLAIN HOW SONAR IS USED BY DEEP SEA FISHERMEN TO DETECT THE DEPTH OF A SHOAL OF FISH BELOW THE SURFACE OF THE SEA....
SONAR IS ULTRA SOUND
TRAVELS THROUGH WATER AT THE SPEED OF SOUND (1500 M/S)
ULTRASOUND SIGNAL GENERATED IN THE SHIP
SIGNAL…
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