The band gap in a semiconductor is 0.6 eV . The maximum wavelength of electromagnetic radiation which can create a hole electron pair in the semiconductor is equal to
[use $h c=1242 \mathrm{eV}-\mathrm{nm}$ ]
- A
2450 nm
- B
1150 nm
- C
2070 nm
- D
1050 nm
✓ Correct answer: C
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