JEE Mains 03-Sep-2020 Shift 2 Solved Paper

Section: Physics
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Question : 7 of 75
 
Marks: +1, -0
If a semiconductor photodiode can detect a photon with a maximum wavelength of 400 nm, then its band gap energy is:
Planck′s‌constanth=6.63×10−34 J. s
Speed‌of‌lighc=3×108 m∕s
[3 Sep 2020 Shift 2]
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