Underline all thecorrect answers. Explain why an answer is correct or why it iswrong. You are supposed to select all of thecorrect answers (1-6) for each roman numeral (I-III)

--Pleasejustify/explain answers thoroughly--

Problem 7. If photons with energy of 1.7 eV was appliedto A Si Wafer is at 300k (E_g for Si =1.12eV), thevalence and conduction band are

(I)

1-      Both are completely empty

2-      Both are completely filled.

3-      Both are partially empty.

4-      Both are partially filled.

5-      None of the above

6-      All of the above 1-4.

(II)

1-      CB band is completely empty andVB is completely filled.

2-      VB band is completely empty andCB is completely filled.

3-      CB band is partially empty andVB is completely filled.

4-      VB band is partially empty andCB is completely filled.

5-      None of the above

6-      All of the above (1-4)

(III)

1-      CB band is partially filled andVB is completely filled.

2-      VB band is partially filled andCB is completely filled.

3-      CB band is partially empty andVB is partially filled.

4-      VB band is partially empty andCB is partially filled.

5-      None of the above

6-      All of the above (1-4)