The maximum wavelength of electromagnetic radiation, which can create a hole-electron pair is germanium. (Given that forbidden energy gap in germanium is 0.72 eV)
A
1.7 × 10⁻⁶ m
B
1.5 × 10⁻⁵ m
C
1.3 × 10⁻⁴ m
D
1.9 × 10⁻⁵ m

Question

The maximum wavelength of electromagnetic radiation, which can create a hole-electron pair is germanium. (Given that forbidden energy gap in germanium is 0.72 eV)

Accepted Answer

1.7 × 10⁻⁶ m

Answer

1.5 × 10⁻⁵ m

Answer

1.3 × 10⁻⁴ m

Answer

1.9 × 10⁻⁵ m

STANDARD Physics Wavelength and Energy Gap MCQ Question

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