Band structure of a particular semiconductor is shown in figure. If...

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Band structure of a particular semiconductor is shown in figure. If lattice constant of this
\( \mathrm{P} \)
semiconductor is decreased, then choose the correct
W
option from the following:
(1) \( E_{C} \) decreases
(3) Ev decreases
(2) \( E_{g} \) increases
(4) All of these
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