CUSAT 2022 BTech Solved Paper Shift 4

© examsiri.com
Question : 54 of 200
 
Marks: +1, -0
If a semiconductor photodiode can detect a photon with a maximum wavelength of 400‌nm, then its band gap energy is
(Given Planck's constant, h=6.63×10−34‌Js; Speed of light, c=3×108m∕ s; 1‌eV=1.602×10−19J)
Go to Question: