The Conductivity of a Semiconductor Sharply Increases When 400 Nm

question 42

Multiple Choice

The conductivity of a semiconductor sharply increases when 400 nm (or shorter) wavelength light is shone upon it. This is consistent with what energy gap for this material?

• A)3.6 eV
• B)0.45 eV
• C)2.0 eV
• D)3.1 eV
• E)1.0 eV