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CGP EDU Academic Team
Published on: September 12, 2026
If a semiconductor photodiode can detect a photon with a maximum wavelength of 400nm, then its band gap energy is Planck's constant h = 6.63 
. Speed of light 
Text Solution
Verified by ExpertsThe correct answer is:
C
For photodiode to detect 
band gap energy
band gap energy 
J 
eV
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