A frog can be levitated in a magnetic field p | vedclass

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(B) The phenomenon of levitation of a frog in a strong magnetic field is a classic demonstration of diamagnetism. Biological tissues,including the bod

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Diamagnetic

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(B) The phenomenon of levitation of a frog in a strong magnetic field is a classic demonstration of diamagnetism. Biological tissues,including the body of a frog,consist largely of water and organic molecules,which exhibit diamagnetic properties. Diamagnetic substances are weakly repelled by magnetic fields. When a strong magnetic field is applied,the diamagnetic repulsion force acting on the frog's body can balance the gravitational force,allowing the frog to levitate. Therefore,the correct option is $B$.

$A$ frog can be levitated in a magnetic field produced by a current in a vertical solenoid placed below the frog. This is possible because the body of the frog behaves as

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