The ratio of mass of a diamagnetic substance in a magnetic field to its actual mass
A
Is greater than one
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B
Is less than one
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C
Is equal to one
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D
Cannot be predicted
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Solution
The correct option is BIs less than one
The external magnetic field induces a small magnetic moment to the diamagnetic substance. The moment in the diamagnetic substance is in opposition to the external field. Thus diamagnetic substance repel lines of force, and show decrease in weight.