Find the wavelength of light that may excite an electron in the valence band of diamond…
Physics · Class 12 · CBSE — Semiconductor Electronics
Find the wavelength of light that may excite an electron in the valence band of diamond to the conduction band. The energy gap is 5.50 eV.
- 226 nm
- 312 nm
- 432 nm
- 550 nm
Answer
(A) 226 nm
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- If a small amount of antimony is added to germanium crystal
- In a full wave junction diode rectifier the input ac has rms value of 20 V. The transformer used is a step up…
- Assertion(A): We cannot form a p-n junction diode by taking a slab of a p-type semiconductor and physically…
- In a circuit as shown in the figure, if the diode forward voltage drop is 0.3 V, the voltage difference…
- Assertion (A): In insulators, the forbidden gap is very large. Reason (R): The valence electrons in an atom…
- Assertion (A): A hole is an apparent free particle with effective positive electronic charge. Reason (R): A…
- Carbon, silicon and germanium have four valence electrons each. These are characterised by valence and…
- With an ac input from 50 Hz power line, the ripple frequency is
More Semiconductor Electronics questions · Browse all practice questions