Home
Class 12
PHYSICS
Three photo diodes D1, D2, and D3 are ma...

Three photo diodes `D_1, D_2, and D_3` are made of semiconductors having band gap of 2.5 eV, 2 eV and 3 eV, respectively. Which one will be able to detect light of wavelength 6000 Å ?

Text Solution

Verified by Experts

Find `pi` corresponding to each diode an them compare.
Promotional Banner

Similar Questions

Explore conceptually related problems

Explain : (i) Three photo diodes D_1, D_2, and D_3, are made of semiconductor having band gaps of 2.5 eV, 2 eV and 3 eV respectively. Which one will be able to detect light of wavelength 6000 Å ? (ii) Why an elemental semiconductor cannot be used to make visible LEDs?

Three photodiodes D_1 , D_2 and D_3 are made of semiconductors having band gaps of 2.5 eV , 2 eV and 3 eV , respectively . Which one will be able to detect light of wavelength 6000 Å ?

Three photodiodes D_1 , D_2 and D_3 are made of semiconductors having band gaps of 2.5 eV , 2 eV and 3 eV , respectively . Which one will be able to detect light of wavelength 6000 Å ?

A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV . It can detect a signal of wavelength

A p-n photodiode is fabricated from a semiconductor with band - gap of 2.8 eV . Can it detect a wavelength of 6000nm?

A p-n junction is fabricated from a semiconductor with band gap of 2.8eV . Can it detect a wavelength of 6000nm ?

Sodium and copper have work functions 2.3 eV and 4.5 eV respectively . Then the ratio of the wavelength is nearest

Sodium and copper have work functions 2.3 eV and 4.5 eV respectively . Then the ratio of the wavelength is nearest

A metal surface is illuminated by the protons of energy 5 eV and 2.5 eV respectively . The ratio of their wavelength is

A photodetector is made from a compound semiconductor with band gap 0.73eV. The maximum wavelength it can detect is