The energy band gap of semiconducting material to produce violet (wavelength = 4000 Å) LED is ______ eV. (Round off to the nearest integer).
← JEE Main 2022 · 25 Jul · Shift 1
PhysicsInteger+4 / -1Question 59 of 90
JEE Main 2022 · 25 Jul · Shift 1, Physics question 59
Answer and worked solution
Official answer: 3
Band gap. eV .
Answer: 3