Author Topic: CAN SONOR DETECT COINS IN A MINE?  (Read 2808 times)

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Offline neeharikaTopic starter

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CAN SONOR DETECT COINS IN A MINE?
« on: August 12, 2006, 07:41:24 AM »
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. :) ???

Offline Admin

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Re: CAN SONOR DETECT COINS IN A MINE?
« Reply #1 on: August 12, 2006, 10:04:15 AM »
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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