Question:
Suppose the energy liberated in the recombination of a ahole-electron pair is converted iinto electromagnetic radiation. If the maximum wavelength emitted is $820 \mathrm{~nm}$, what is the band gap?
Solution:
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.