Electronics > Electronics

CAN SONOR DETECT COINS IN A MINE?

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neeharika:
HI FRIENDS,
I'AM NEEHARIKA.
 
CAN A SONAR BE USED TO DETECT AN IRON COIN THAT IS 3 Cm DEEP IN A SAND PIT?
HOPE TO SEE MY QUESTION REPLIED AS EARLY AS POSSIBLE. :) ???

Admin:
No, it cannot. I believe ultrasound can though . . .

If you want to detect that coin, you need a 'metal detector' setup to measure magnetic fields.

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