JEE Main Physics · Semiconductor Electronics: Materials, Devices and Simple Circuits
LED Bandgap and Emission Wavelength
LED Bandgap and Emission Wavelength (Semiconductor Electronics: Materials, Devices and Simple Circuits) was asked 2 times in 2 JEE Main shifts, 2022–2024, out of the 42 shifts Lumi analysed. 1 of the 2 had a numerical answer.
- Times asked
- 2
- in 2 shifts
- Years
- 2022–2024
- Usual format
- Numerical value
- Calculation
- Pattern
- Occasional
- repeats across shifts
How it is asked
- Wavelength emitted from band gap
- Band gap from led wavelength
Difficulty
Easy 2Medium 0Hard 0
Where it sits
Chapter: Semiconductor Electronics: Materials, Devices and Simple Circuits. Topic: Semiconductor Diodes, 16 questions over 10 ideas.
Other repeat ideas in this topic
Every time it came
All 2 questions
Newest first, each with its options and official answer.
- 9 Apr 2024, Shift 1 · Q48A light emitting diode (LED) is fabricated using GaAs semiconducting material whose band gap is eV. The wavelength of light emitted…EasySingle correct
- 25 Jul 2022, Shift 1 · Q59The energy band gap of semiconducting material to produce violet (wavelength Å) LED is ______ eV. (Round off to the nearest…EasyNumerical value