If a semiconductor photo diode can detect a photon with a maximum wavelength of $400 nm$ , then its band gap energy is: Planck's constant $h = 6.63 \times 10^{- 34} J . s$
Speed of light $c = 3 \times 10^{8} m s^{- 1}$

Question

If a semiconductor photo diode can detect a photon with a maximum wavelength of

400 nm

, then its band gap energy is: Planck's constant

h = 6.63 \times 10^{- 34} J . s

Speed of light

c = 3 \times 10^{8} m s^{- 1}

Aicharya · Accepted Answer

&#955; = 400 &#160; nm Band gap E 0 = hc &#955; = 1237 . 5 400 = 3 . 09 &#160; eV

If a semiconductor photo diode can detect a photon with a maximum wavelength of 400   nm , then its…