Question 1: (a) Explain about two characteristic lengths in the theoretical and experimental investigations of superconductivity...

Question 1: (a) Explain about two characteristic lengths in the theoretical and experimental investigations of superconductivity (Drawing is necessary), One of the distinguishing aspect of Type I and Type II is the relative value of two characteristic lengths: (b) what is name of this theory? (c) According to this theory, what is the criterion value to determine Type I or Type II?

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