A photodiode is fabricated from a semiconductor with a band gap of . It can detect a signal of wavelength.
Photo diode -
A special type of photo detector.
- wherein
By measuring the change in the conductance of the semiconductors one can measure the intensity of the optical signal
Option 1)
This option is incorrect
Option 2)
This option is incorrect
Option 3)
This option is correct
Option 4)
This option is incorrect