The forbidden energy gap in Ge is 0.72 eV, given, h c = 12400 eV- Å . The maximum wavelength of radiation that will generate electron hole pair is

Question

The forbidden energy gap in Ge is 0.72 eV, given, h c = 12400 eV- Å . The maximum wavelength of radiation that will generate electron hole pair is, 172220 Å, 172.2 Å, 17222 Å, 1722 Å

MARKS App · Accepted Answer

The forbidden Energy gap, E g = h c λ λ = maximum wave length of radiation λ = h c E g = 12400 0.72 = 17222 Å

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