The energy band gap of semiconducting material to produce violet (wavelength =4000 \stackrel{o}{A} ) LED is {eV}. (Round off to the nearest integer). [25-Jul-2022-Shift-1]

JEE Mains 25-July-2022 Shift 1 Solved Paper

Section: Physics

Question : 59 of 90

Marks: +1, -0

The energy band gap of semiconducting material to produce violet (wavelength =4000

) LED is eV. (Round off to the nearest integer).

[25-Jul-2022-Shift-1]

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