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General Science • PhysicsHard

What is the name of the phenomenon in which a superconductor completely expels all magnetic fields from its interior when it is cooled below its critical temperature?

A. Zeeman Effect
B. Meissner Effect✓ Correct Answer
C. Stark Effect
D. Compton Effect

💡 Solution & Explanation

The Meissner effect describes the complete expulsion of magnetic field lines from the interior of a superconductor when it is cooled below its critical transition temperature. The Zeeman effect involves the splitting of spectral lines in the presence of an external magnetic field. This property confirms that a true superconductor acts as a perfect diamagnet.

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