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cse โ€ข paper_2 โ€ข solid_state_electronics

[UPSC CSE 2026] Band theory of solids (Q44, 3M)

What are the physical reasons that the effective mass of an electron can be infinite and negative?

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@abhksinhaSep 21, 17:54

hello how to do this?

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@abhksinhaSep 21, 17:58

E = m \times c^{2}

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