Commit d7a859e4 authored by Isidora Araya's avatar Isidora Araya
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Update 13_semiconductors_solutions.md

parent 88135aab
......@@ -13,7 +13,7 @@ Electrons near the top of the valence band have a negative effective mass, their
### Subquestion 2
Holes near the top of the valence band have a positive effective mass, their energy decreases as $k$ increases from 0, and they have a negative group velocity for $k>0$.
Holes near the top of the valence band have a positive effective mass, their energy increases as $k$ increases from 0, and they have a negative group velocity for $k>0$.
### Subquestion 3
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