Question

Which of the following statement is true for a wavelength of 1000 nm. A p-n photodiode is fabricated from a semiconductor with band gap of 1.9 eV.

A The photodiode can detect signal once the energy of signal is increased. Correct Answer Incorrect Answer
B The energy of a signal of given wavelength is more than the specified band gap Correct Answer Incorrect Answer
C The photodiode can easily detect signal Correct Answer Incorrect Answer
D The photodiode cannot detect signal Correct Answer Incorrect Answer

Solution

The correct answer is D

Practice Next

Relevant for Exams:

×
×