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At any airport a person is made to walk through the doorway of a metal detector for the security reasons if she/he is carrying anything made of metal then the metal detector emits a sound on what principle does this detector work?? Koi bta do exact answer

Posted by Swati Singh 7 years, 3 months ago

CBSE > Class 12 > Physics

1 answers

Aryan Rajput 7 years, 3 months ago

It works on the principle of electromagnetic waves

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